Top 5 Beginner-Friendly Coffee Drippers in Japan | How to Choose Without Mistakes

The HARIO V60, Kalita Wave, Kalita's trapezoidal 101/102, Melitta's single-hole dripper, and HARIO Switch are all popular, but their ease of use and failure resistance for beginners vary considerably. This guide compares 5 products with insights from hands-on experience brewing 1–2 cups regularly, making it easier to choose your first dripper based on practical criteria.

To set the direction upfront: if you want consistent, delicious results, Kalita Wave or a trapezoidal dripper works well. If you also want to explore flavor nuances, the V60 becomes your axis. Since dripper shape and hole design change how water flows through the grounds, understanding these differences will make finding your perfect match quite clear.

How Beginners Can Choose Their First Dripper Without Failure

Shape and Hole Design Differences

The biggest factor in flavor when choosing your first dripper isn't looks—it's shape and bottom-hole design. These differences determine both the water's path and how fast the coffee liquid falls through. In this article, we'll call this speed the flow rate. Fast flow produces lighter, cleaner cups; slow flow brings out depth and body.

The conical type's flagship is the HARIO V60. The cone deepens toward the center with a large single hole at the bottom. Its deep internal ribs give you significant control over flavor through pouring technique. Pouring thinly in the center tends to yield dense flavor; pouring wider creates a cleaner impression. However, with the same 15g of beans and 240ml water, extraction time can vary from roughly 2:15 to 3:45, making inconsistency common for beginners—"today it's thin," "today it's heavy"—are typical experiences (※reference values from author observation; actual numbers vary by bean, grind, and environment). Exploring flavor on weekends by adjusting temperature and pour style is very enjoyable, but that same high freedom becomes the difficulty for a first dripper.

Kalita Wave features a flat bottom. The powder bed stays relatively uniform, and the three holes prevent water from pooling in one spot. This means small pouring imperfections don't easily show up in flavor—a major advantage. When I use the Wave on rushed mornings, the benefit is unmistakable. Even slightly rough pouring tends to keep extraction around 2:30–3:00, producing a balanced, stable cup (※reference values from author observation). CROWD ROASTER's V60 vs. Kalita Wave comparison also noted that Wave-style drippers stabilize flavor easily even early in the learning curve.

The trapezoidal type includes Kalita 101/102 and Melitta models. These feature sloped sides with one or several small holes at the bottom. While pouring freedom isn't as high as with the cone, this design prioritizes extraction consistency. Pouring technique affects the result far less, which is why trapezoidal drippers earn their beginner-friendly reputation. Flavor tends toward body and composure, making them straightforward for the goal of "reducing early failures."

If you're torn between them, think simply: choose V60 if you want to craft flavor; choose Kalita Wave or trapezoidal if you prioritize stability. Guides from Kurasu and Post Coffee emphasize shape differences as the key learner-level distinction, and side-by-side brewing confirms these gaps are quite clear.

Material Choice and Temperature Management

Material affects usability and temperature stability, but if you're prioritizing, shape comes before material. The same V60 feels different in plastic versus ceramic, yet not as strikingly as V60 versus Wave. Set your direction by shape first, then choose material for comfort—this minimizes failure.

Plastic is extremely beginner-friendly. It's light, durable, and preheats quickly. You grab it from the shelf without ceremony and brew with ease—perfect for busy mornings without hesitation. Since the dripper itself doesn't soak up heat, water temperature stays steady. I recommend plastic to beginners not just for flavor but because it's easy to keep using.

Ceramic and glass have wonderful texture and stability once warm. However, when cold, they pull heat from your first pour, making preheating critical. At 90–92°C, skipping preheating often means under-extraction: clean aroma but closed flavor, with acidity jumping forward—common mistakes here (※reference values from author observation).

Metal has fast response and snappy feel. Heat distributes quickly, so with practice, you'll brew with good rhythm. That said, the speed means you need care handling a hot dripper. While some guides over-emphasize material's flavor effect, at the beginner stage, shape and extraction stability are what truly matter. Temperature consistency comes secondary to getting those fundamentals right.

Thinking about roast profiles connects to your coffee bean selection guide, but a shortcut is to keep temperature and conditions steady across a few different drippers with the same beans—you'll learn dripper character faster than by changing every variable.

Filter Availability and Running Cost

Easy to overlook but critical: paper filter availability. You use them daily, so if sourcing them becomes inconvenient, motivation drops.

Conical V60 and trapezoidal shapes like Kalita 101/102 have broad distribution and appear in regular stores. Running out isn't stressful because replacements are easy to find. Trapezoidal especially has deep market penetration; supermarkets and chain stores often stock them. Precise cost comparison matters less than how naturally you can resupply—that ease itself shapes your cost perception.

Kalita Wave, conversely, relies on wave-shaped proprietary filters. The flat bottom with wavy edges means V60 or trapezoidal filters won't substitute. The extraction stability is a huge draw, but you commit to that system, filters included. Finding a substitute locally when you run out is trickier than with cone or trapezoid shapes.

This difference matters more for daily rhythm than pure numbers. Say you fall for the same bean and brew every morning—Wave still works smoothly, but V60 or trapezoidal options integrate more seamlessly into daily life. Pairing this with your coffee bean selection guide shows how tools and bean compatibility become clear together.

Size Selection

Larger seems more convenient, but beginners fare better with 1–2 cup capacity. Specifically, the HARIO V60-01, Kalita Wave 155, and Kalita 101 serve as natural starting points. Centering on 15g beans and 240ml water, the powder bed neither becomes too shallow nor is water distribution as prone to instability.

Single-cup brews especially benefit from smaller drippers—the filter bed gains depth, absorbing pour variance. Brewing a small amount in a large dripper spreads grounds thin, so even centered pours scatter; flavor muddies or drains too fast. A compact size makes the extraction profile sharper.

For family servings or guests, 2–4 cup V60-02, Kalita Wave 185, and Kalita 102 come into view. Forcing one serving through a one-cup dripper for two people is more awkward than using right-sized gear. Yet if your first priority is brewing your own single cup consistently, smaller sizes offer real advantages.

Recipe fixing helps here too. Using 1–2 cup drippers with 15g beans, 240ml water, 30-second blooming, and 2:30–3:00 total extraction as your baseline makes each dripper's character visible. V60 lets you shift flavor through pouring; Wave and trapezoidal hit stable landing points with those settings alone. For beginners avoiding failure, repeating a basic recipe in small-capacity gear beats chasing exotic specs.

Top 5 Beginner-Friendly Drippers

Comparison Frame (5 Products)

When selecting your first dripper, "what flavor tendency emerges?" and "how little does it waver?" matter more than fine spec details, viewed on the same scale. Here, we arrange the HARIO V60 01/02, Kalita Wave 155/185, Kalita 101/102, Melitta single-hole dripper, and HARIO Switch 02 from a beginner-friendly perspective. Though most popular drippers come in multiple material options, as noted earlier, shape and extraction stability should lead your thinking.

Product	Shape	Material	Filter Type	Flavor Tendency	Ease of Use	Price Range (Reference)	Best For
HARIO V60 01/02	Conical, single hole	Plastic is entry-level; ceramic, glass, and metal variants widely available	Proprietary conical paper	Acidity shows clear range; bitterness shifts from subtle to pronounced. Sweetness extends when technique aligns; body adapts light to thick. Aroma blooms distinctly and profiles stand out.	Pour-style differences appear immediately in flavor—highest freedom of the five, but re-creating results proves tricky.	Not published	Those who love flavor exploration, wanting to shift expression by varying pour across the same bean
Kalita Wave 155/185	Flat bottom, three holes	Plastic offers lightness; metal and ceramic variants balance quality with usability	Proprietary wave paper	Acidity sits soft, angles less sharp. Bitterness rarely overreaches. Sweetness layers readily; body rounds comfortably. Aroma avoids harshness; overall flavor integrates smoothly.	Small pour imperfections fade; early in practice, stable cups emerge.	Not published	Those wanting first-try success, seeking stable morning flavor
Kalita 101/102	Trapezoidal, small multiple holes	Plastic handles easily; ceramic versions standard	Trapezoidal paper	Acidity sits mild, composed. Bitterness emerges yet stays gentle. Sweetness spreads quietly; body builds reliably. Aroma settles in warm tones, suiting everyday sipping.	Trapezoid shape resists pouring variance; beginners land stable results naturally.	Not published	Those favoring body-forward profiles, prioritizing error-free daily brewing
Melitta Single-Hole Dripper	Trapezoidal, single hole	Plastic entry models dominate	Trapezoidal paper	Acidity softens yet stays present. Bitterness comes through but avoids harshness. Sweetness reads understated upfront, then surfaces in the finish. Body carries steadily; aroma stays balanced.	Pouring flow reads clearly; you needn't chase refinement for the cup to hold together.	Not published	Those wanting simplicity and stable depth without second-guessing
HARIO Switch 02	Hybrid immersion + percolation	Glass dripper dominant	V60-compatible paper	Acidity distributes evenly, easy to produce. Bitterness resists over-extraction. Sweetness emerges naturally; body adjusts via soak duration. Aroma rounds, spreading openly.	Percolation complexity softens; step-by-step instruction builds consistency. Among five products, "recipe compliance" easiest.	Reference: ~¥2,890 (varies by retailer; source not cited)	Those cutting pouring-skill variance, blending stability with fuller body

Author observation also shows that with 15g beans, ~240ml water, and ~92°C water, V60 drifts from 2:15 to 3:45, while Wave typically lands 2:30–3:00 (※these are author observations; measurement conditions shift results).

For pure flavor direction: choose V60 for brightness and nuance, Wave for roundness and sweetness, Kalita 101/102 or Melitta for settled body and consistency, Switch for muting pour-variance while keeping thickness. Early picks often break down cleanly along these lines.

V60 vs. Kalita Wave structure and usability gaps appear in 'Kalita Wave vs. V60 Comparison' and 'CROWD ROASTER's analysis'—both agree V60 suits pouring-as-flavor-design, while Wave eases path to a satisfying cup.

Author's one-sentence takes on all five, brewing the same bean and recipe: V60 is "brightest when it lands," Wave "turns delicious fast," Kalita 101/102 is "easy-drinking body stability," Melitta "stumble-proof and forgiving," and Switch "thickens and evens with clean process." For beginner-level prioritization, stability focus → Wave or trapezoidal; enjoyment focus → V60; compromise → Switch makes intuitive sense.

Comparing the Kalita Wave and the V60

The V60 and Kalita Wave are both excellent pour over brewing devices - but which is best for a beginner who is just star

steampunkcoffee.co.uk

Character and Basic Recipe for Each Dripper

HARIO V60 (Conical, Single Hole) — Freedom-First Classic

The HARIO V60 is where pouring style most directly shapes flavor among these five. Acidity can read brighter, aroma builds in layers, and sweetness stretches when technique aligns. Pouring tight over center versus spreading wider shifts body and finish weight. Ranging from light, transparent clarity to denser, richer sips, the same bean becomes a playground for those wanting expression.

A beginner's starting point uses our core recipe: 15g beans, 240ml water, 90–92°C for medium roast, 30-second bloom, 2:30–3:00 total extraction. Split pours into about four passes; bloom with ~40ml, then add the rest in a small spiral centered on the cone, reaching 240ml total. This approach often yields V60's signature clean clarity. For light roasts, bump temperature to 95°C to sharpen acidity; for medium-dark, stay around 90°C; for dark, drop to 88°C to soften bitter edges.

Ease of use requires honesty: "strong with practice, tough at first." Pour slightly too fast and you hit 2:00–2:15, thinning the cup. Pour too carefully and you stretch past 3:00, adding bitterness and harshness. Author experience shows weekly recipe exploration satisfies greatly, yet pulling the same cup every morning demands more finesse than stable alternatives.

One tricky point: the V60's freedom creates a wide "correct range," which muddies beginner judgment. Same bean, different day—one tastes bright and lovely, the next feels light. Isolating whether the shift came from beans, grind, or pour becomes unclear.

Divisive element: V60's sharp profiles hide neither bean character nor extraction flaws. For flavor nuance lovers, that's treasure. For "I want familiar comfort and balanced sweetness daily" folks, it sometimes feels unsettled.

Suits: Those craving pour-crafted flavor exploration, chasing light-roast aromatics and single-origin clarity. May frustrate: Those wanting fewer early missteps, preferring rock-solid mornings.

OGP card target: "HARIO V60".

Kalita Wave 155/185 (Flat Bottom, Three Holes) — Uniform and Stable

Kalita Wave 155/185 absorbs pour wobbles easily and glides to polished flavor. Acidity rounds, bitterness stays obedient, sweetness washes in mid-to-late, building subtly. Body sits balanced—not thick, not thin—while aroma weaves through rather than leaping out. This early-harvest completeness explains Wave's beginner reputation.

Core recipe: 15g beans, 240ml water, 90–92°C, 30-second bloom, 2:30–3:00 total extraction. Wave doesn't demand finely split pours; after the bloom, 2–3 gentle additions hit equilibrium. Wet the bed broadly without aggressive disruption—sweetness and roundness emerge easily. Light roasts go 95°C for brightness; medium-dark stay 90°C; dark drop to 88°C for weight balance.

Usability ranks high here. Pouring isn't finicky; extraction rarely swings wildly. Pre-work mornings see Wave deliver consistent core—huge asset. Myself, rushed days especially reward Wave's composure.

Drawback: uniformity trades some exciting flavor-shift room. Of course water temperature and grind adjust plenty, yet Wave doesn't swing flavor as boldly through pour alone—it travels different terrain.

Divisive element: does the settled taste feel "drinkable" or "understated"? Acid-focused types may find it soft, but every-morning-without-fatigue appeal is real strength.

Suits: First-timers dodging failure, those prioritizing sweetness and marriage. May frustrate: Active flavor-tweakers, those wanting sharp acidity up front.

OGP card target: "Kalita Wave Dripper".

Kalita 101/102 (Trapezoidal, Small Holes) — Body-Rich and Steady

Kalita 101/102 brings trapezoidal ease and body-forward charm. Acidity softens and settles; bitterness rides gentle but present; sweetness spreads quiet yet perceptible. Aroma takes a composed rather than sparkly path, landing naturally in everyday cups. When you skip flash for "solid delicious" and "won't fumble," the trapezoidal advantage glows.

Same recipe frame: 15g beans, 240ml water, 90–92°C, 30-second bloom, 2:30–3:00 total extraction. Pour narrow center-sprays less than broad, patient moistening of the whole bed. Three pours post-bloom toward 240ml total usually balance body and finish. Light roasts → 95°C for contour; medium-dark → 90°C; dark → 88°C smooths bitter angle.

Usability holds high. Pour wobble doesn't wreck the core; "thin today" or "off-flavors abundant" variance stays small. Special technique isn't required; coffee-like thickness and confidence land easily. Daily use finds this reliable.

Rough spot: light roasts' nimbleness and fruit pop come muted versus V60. Not bad—flavor rounds and settles, so some beans feel "delicious but quiet" by contrast.

Divisive element: does that composure feel like "reassurance" or "lacking spark"? Chocolate, nut, deep-caramel lovers find great home here. Floral brightness and acid-snap chasers shift tone.

Suits: Body-forward flavor folk, daily recipe-steady brewers. May frustrate: Those chasing aroma sharpness and clarity.

OGP card target: "Kalita 101 Dripper".

Melitta Single-Hole Dripper (Trapezoidal, Single Hole) — Flow Control and Stable Extraction

Melitta's single-hole trapezoidal locks flow and shores consistency and simplification. Acidity softens, bitterness comes gentle, body layers naturally. Sweetness doesn't lead—it follows, in the finish. Aroma avoids spikes, whole cup unites—"foolproof deliciousness" earns this dripper trust.

Beginner recipe: 15g beans, 240ml water, 90–92°C, 30-second bloom, 2:30–3:00 total extraction baseline. Single-hole flow reads clearly; post-bloom 2–3 pours often stabilize beautifully. Quiet pouring, whole-bed wetting beat fine-spray over-refinement. Light roasts 95°C for opening; darker drops to 88°C as roast deepens, letting bitterness land sharp.

Usability stands high. Miss water-amount splits and it rarely punishes; beginners shape depth-flavor axis naturally. First impression: fewer smarts needed, more foolproof results. Mornings without overthinking feel calm.

Caveat: Freedom shrinks, so flavor-design play eases. This tool loves "hits target range" over "instruments taste journey." For pouring-technique growth, it offers less conversation.

Divisive element: does that stability read "reassuring" or "one-note"? Body and sip-ease lead here; light-roast shimmer hits softer.

Suits: "Just give me simple" and "stable depth without second-guessing" types. May frustrate: Hands-on pouring enthusiasts.

OGP card target: "Melitta Single-Hole Dripper / Aroma Filter".

HARIO Switch 02 (Immersion Hybrid) — Process Simplification and Consistency

HARIO Switch 02 marries percolation's nimbleness and immersion's uniformity. Acidity distributes evenly, bitterness resists over-pull, sweetness emerges naturally. Body flexes via soak time; aroma rounds, spreading openly. V60 brightness anchors it, yet pouring difficulty shrinks.

Recipe: 15g beans, 240ml water, 90–92°C for medium roast, 30-second bloom, then Switch shines with a "close-then-soak" move. Bloom in closed mode, add remaining water, let it marry, then open the valve—uniformity follows easily. Total pull runs 2:30–3:00, timing open-release to dial thickness. Light roasts 95°C for opening; medium-dark 90°C; dark 88°C to smooth excess weight.

Usability towers. Percolation muddiness fades; recipe-following consistency climbs. Brewing light roasts where acidity wants clarity but V60 sometimes wanders—Switch steadies things. Body comes through too, so satisfaction isn't sparse.

Tradeoff: pure percolation hand-technique study goes half-baked when the tool helps so much. That said, you gain habit-stable taste alongside reliability.

Divisive element: how much control-feel do you crave? Locked steps ease worry; straight-drill purists may feel over-assisted.

Suits: Those trimming pouring-skill gaps, wanting stability plus heft. May frustrate: Pure percolation students, those seeking direct pour-flavor link.

OGP card target: "HARIO Switch".

V60 vs. Kalita Wave: Which Suits a Beginner?

Flavor and Tendency

Bottom line: V60 runs wide; Kalita Wave steadies. For beginners, the real gap is how much you want to steer flavor versus how much you want the same sip again.

HARIO V60's conical, single-hole path lets pouring sculpt flow. Flavor spans wide: sharp acidity center-focused, light airy when spread-poured, dense when layered tight. When dialed right, V60 yields crisp aroma, clarity through finish. Brewing light-roast berry or citrus notes crisply—that expressiveness ranks high.

Kalita Wave's flat bottom and wave filter yield near-uniform grounds saturation, character locked in. Rather than pouring-as-design, you're "orchestrating landing." Tapestry integrates; acidity angles soften; sweetness marries roundly. Medium to medium-dark usually yields silky entry through stable close—composure, not flash.

'CROWD ROASTER' and 'Steampunk Coffee' guides frame it the same: V60 wide range, Wave stable path. Think "craft tool" (V60) versus "landing tool" (Wave)—the split clarifies.

Small table:

Item	HARIO V60	Kalita Wave
Shape	Conical	Flat bottom
Bottom hole	One large	Three small
Flavor lean	Clear, wide adjustment	Rounded, sweetness-forward
Difficulty	Moderate-high	Low
Repeatability	Technique-dependent	High

Dripper Showdown: "Hario V60" vs. "Kalita Wave" ｜ CROWD ROASTER

Though we've introduced various drippers, many wonder if taste really differs by tool. This feature compares drippers to explore such questions...

crowdroaster.com

Pour Technique Difficulty and Repeatability

The largest splitter: does pour wobble land directly in the cup, or does the tool cushion it?

V60 wobbles easily. Position, speed, volume splits all shift flow, so the same recipe reads differently per session. Weakness and merit both. Controlled pours unlock acidity peaks, sweetness thickness, bean soul-notes. Beginner phase? "Today too fast-thinned," "today too heavy" lands often. V60 extraction drifts noted earlier; technique shows.

Kalita Wave softens all that. Wave filter beds gently; flat bottom balances wetness; three holes scatter pour unevenness. Miss center lightly, avoid aggressive disruption—boom, stability follows. Short morning pours yield near-consistent core. Repeatability shines, so rebuilding "why did today taste right" becomes easier. You catch bean shifts, roast shifts, temp shifts cleanly.

Repeatability wisdom: Kalita Wave lets "why today tasted good?" snap into focus because recipe-variance stays tight. V60, conversely, surfaces pouring-skill growth vividly—hand-learning unmasks itself in flavor.

Case-by-Case Choice

Shortest answer: Fast-stability needs → Wave; explore-joy → V60.

Mornings need one-sip perfection, family servings demand zero-fault margin, or "almost-always-pleasant" runs first? Kalita Wave. Flavor settles round, pour stress vanishes, routine hardens quickly. Bean individuality takes rear seat to cup wholeness.

Tweaking same bean across pours, chasing light-roast snap and shine, flavor-journey first? V60. Freedom runs high, early wobbly gaps widen toward skill. Extraction as hobby opens radiant futures.

Unsure which way? Wave eases entry. Solid baseline, then V60's space grows naturally from confidence. That staircase feels organic.

Case breakdown short:

1. Failure-dodging priority
   Wave wins. Repeatability high, wobble-absorption strong.

2. Flavor-crafting dream
   V60 leads. Wide freedom, pour-result link direct.

3. Still finding taste preferences
   Wave entry smoother. Solid reference point first, V60 expansion after.

4. Light-roast aroma-focus
   V60 pairs better. Clarity, airiness easier.

5. Medium to medium-dark everyday ease
   Wave locks in well. Roundness and sweetness merge, daily-use muscle-memory quick.

Beginner read: Wave edges out slightly, yet V60 isn't unfit—fastest-stable = Wave; skill-growth room = V60. That frame cuts clear.

Why Dripper Flavor Shifts

Flow Rate and Contact Time

The biggest reason taste shifts: how fast water falls and how long it touches grounds. Shape isn't looks—it's extraction plumbing.

HARIO V60 cone deepens center-ward, bottom hole large, all flow funnels through. Pouring position, water-split method, placement shift flow sharply. Speed drops → light, clean. Slow pours → sweet, thick. Same 15g beans, 240ml water, yet 2:15–3:45 swing—timing wavers, beginner wobble likely (※observation-sourced; actual figures shift with bean, grind, climate).

Kalita trapezoid and Melitta stable-design flow-gates partly. Small holes, controlled funnel, filter-shape marriage all slow abrupt drop. Grounds-water contact time stretches, taste steadies. Early-round stability becomes natural. Observed: mornings feel loose yet yield 2:30–3:00 reliably (※author observation baseline).

Kalita Wave sits between—uniformity specialist. Flat bed resists uneven saturation; three holes scatter descent; result: clean-light minus excess wobble, while retaining round-sweet arrival. Early success, consistent landing.

The lesson: hole count alone doesn't explain taste. Hole diameter, count, filter shape, powder-bed depth interlock to make flow. Cone vs. trapezoidal vs. flat shape—each path changes water transit. That travel difference tastes.

Immersion vs. percolation fit here. Percolation (V60) lets pouring choreograph extraction—steep tweaks flavor range. Immersion (Switch-style) locks saturation uniform, replay-friendly. Percolation = "flavor-hand-craft," immersion = "uniform-pull"—mental shorthand works.

Ribs and Bottom-Hole Function

Inside rib grooves—often overlooked—matter greatly. These channels lift filter away from walls, preserving air paths and water flow routes—crucial features.

HARIO V60's deep ribs display this clearly. Paper doesn't glue the walls, so airflow holds during pull, water-fall speed locks in easily. Tight center-pours → fast drop. Spread use → shifted expression. V60's "pour-flavor mobility" owes much to ribs plus single hole; ribs alone don't explain the full range.

Gentle-rib or wall-clinging-filter designs? Flow quiets. Paper-wall contact swells, air-gap shrinks, descent settles. Trapezoids' everyday ease partly traces here—"calm flow" builds naturally.

Bottom hole stakes equally. One large hole = pouring-dependent range. V60's freedom anchors here. Multiple small holes = descent-scatter, less dramatic shift. Melitta small-hole design, Kalita three-hole strategy both stabilize by splitting descent.

Slowing = saturation-time extends = body thickens. Fast drop = clarity, light-frame. Each tool's holes orchestrate this contact-time secret. That's why hole count, while discussed, sits within larger shape-system logic.

This "saturation" directly speaks to flavor thickness and structure. Small-hole, modest-funnel beds hold water longer—coil builds, depth-flavor emerges. Rapid-drain designs yield brightness, airiness. Not better/worse; different intentions.

'Kurasu's Dripper Guide' untangles shape and material variation, linking structure to outcome clearly. Beginners needn't memorize ribs-detail; remember "ribs = air and water passages," "bottom holes = how fast or slow lands in cup, body-thickness engine."

How to Choose a Coffee Dripper

Materials, Features, and Recommendations Explained

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Material Heat Property and Temperature Maintenance

Material varies