Is charcoal water filter profitable to sell on Amazon United States?

The niche generates $143K/yr across 47 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +11.7%. Flapen's verdict: Worth a look (59/100).

How competitive is the charcoal water filter niche?

27 brands and 58 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in charcoal water filter?

Top complaints mined from reviews: Filtration, Size-Overall, Leak-Proof. The return rate is 1.1%.

When does demand for charcoal water filter peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the charcoal water filter niche?

Listings span $9.90–$108.94; the average listing price is $31.90 (sweet spot $15–$100). The average incumbent carries 2,100 reviews — the moat a new listing must climb.

charcoal water filter

Worth a look

Shows a sweet-spot price point ($31.90 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$31.90

avg listing price — sweet spot $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Price range

Great$9.90–$108.94

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good41%

top-5 click share — leaders hold, buyers still browse

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Conversion

Good5.5%

search→purchase rate — share of searches ending in a sale

Review moat

Okay2,099.91

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+11.7%

90-day search growth — must beat 0% to launch

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$143K

$143K/yr · 81K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, charcoal water filter is a $143K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 59/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

charcoal water filter market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $96K–$128K; units × avg price
Conversion rate: 5.5%
Avg BSR: #1,211
Page quality: 0%
Prime: 98%
Sponsored: 98%
Out of stock: 3.8%
Avg brand age: 77 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 falling

Sellers

Top-5 brand share

63%

Top 20: 94%

Top-5 click share

41%

Top 20: 75%

Open market

33%

IPPINKA19%
BLACK + BLUM15%
ICEPURE12%
PUREPLUS11%
Culligan6%
Lounsweer4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top charcoal water filter search terms

charcoal water filter33K/yr -0.7%3.3% conv.
carbon block water filter9K/yr +14.1%3.1% conv.
binchotan charcoal sticks3K/yr +999.5%2.8% conv.
activated charcoal water filter8K/yr -2.4%2.0% conv.
carbon block filter5K/yr +9.5%2.0% conv.
carbon water filter cartridge5K/yr -14.8%6.2% conv.
binchotan charcoal water filter3K/yr +54.3%1.8% conv.
charcoal water filters4K/yr -3.1%3.3% conv.
charcoal filter water3K/yr -23.7%3.1% conv.
carbon water filters3K/yr +0.0%4.5% conv.

All search terms

Top charcoal water filter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Black + Blum Charcoal Water Filter Sticks | Charcoal Filter Hydration Old Japanese Tradition Lasting 6 Months Each Wood Black (1 Piece)

BLACK + BLUM$12.204.5★1,607 rev

1 Micron 2.5 x 10 Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System Dupont WFPFC8002 WFPFC9001 FXWTC SCWH-5 WHEF-WHWC WHCF-WHWC AMZN-SCWH-5 4Pack

PUREPLUS$26.904.6★7,698 rev

ICEPURE 1 Micron 2.5 x 10 Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002 WFPFC9001 SCWH-5 WHCF-WHWC WHCF-WHWC FXWTC CBC-10 RO Unit Pack of 4

ICEPURE$26.774.6★6,299 rev

Binchotan Charcoal - Water Purifying Sticks for Great-Tasting Water from Kishu Japan - Each Stick Filters up to 2 Liters of Water - 2 Sticks

IPPINKA$19.814.5★330 rev

Culligan SCWH-5 Whole House Water Filter Cartridges - Standard-Duty Carbon Replacement Filter Reduces Sediment Rust Scale & Dirt for Clean Drinking Water or for Cooking 15 000 Gallons Pack of 2

Culligan$10.174.7★1,942 rev

Newest

by launch date

1 Micron 10 x 2.5 Activated Carbon Whole House Water Filter Replacement Charcoal Block Cartridge Set - Coconut Shell Carbon - Fits Whole Home/Under-Sink Systems Reduces Chlorine & Odor - 4-Pack

Plunge Crafters$29.4240 rev

4mo ago

Dong LIM Binchotan Style Charcoal Briquettes 5lbs (2.2kg)

Generic$20.5033 rev

4mo ago

Lounsweer 100 Pcs Activated Charcoal Distiller Filters for Countertop Water Distillers

Lounsweer$10.31248 rev

2y ago

Timgle Bulk Water Air Filter Activated Charcoal Coconut Hull Granular Activated Carbon 10-18 Mesh Water Distiller Charcoal Filters Media for Filtration(6.6 Lbs)

Timgle$32.44210 rev

3y ago

Membrane Solutions 5 Micron 2.5 x 10 CTO Carbon Block Water Filter Cartridge Replacement for Whole House Filtration Systems Compatible with WFPFC8002 WFPFC9001 FXWTC WHKF-WHWC 6-Pack

Membrane Solutions$32.24319 rev

4y ago

What buyers say about charcoal water filter

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration27%

“Best filter”

Value For Money14%

“Excellent value”

Quality-Overall13%

“build quality looks great”

Size-Overall11%

“fits coffee maker perfectly”

Advertised Vs Actual Product7%

“Exactly what I wanted”

Ease Of Use5%

“Easy to Use”

Assembly/Installation3%

“Easy set up”

Efficiency2%

“works great”

Smell2%

“with no noticeable odor”

Ease Of Cleaning2%

“easy to clean”

What buyers complain about

Filtration26%

“Doesn't filter well”

Size-Overall10%

“misleading size”

Leak-Proof7%

“Leaks like crazy”

Water Resistance5%

“Filters didnt allow water threw”

Durability4%

“Falls apart after a few days, doesn't work”

Smell4%

“the water smells”

Advertised Vs Actual Product3%

“Not as expected”

Value For Money3%

“Priced Hiked”

Weight Heavy3%

“it is heavier than expected”

Jamming/Clogging3%

“Clogged”

Top return reasons

Size-Overall47%

Filtration22%

Compatibility-Overall10%

Advertised Vs Actual Product4%

Value For Money3%

Functionality-Overall2%

Leak-Proof2%

Defective Material/Parts1%

Water Resistance1%

Weight Heavy1%

Common questions

Is charcoal water filter profitable to sell on Amazon United States?: The niche generates $143K/yr across 47 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +11.7%. Flapen's verdict: Worth a look (59/100).
How competitive is the charcoal water filter niche?: 27 brands and 58 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 63% of demand.
What do buyers complain about in charcoal water filter?: Top complaints mined from reviews: Filtration, Size-Overall, Leak-Proof. The return rate is 1.1%.
When does demand for charcoal water filter peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the charcoal water filter niche?: Listings span $9.90–$108.94; the average listing price is $31.90 (sweet spot $15–$100). The average incumbent carries 2,100 reviews — the moat a new listing must climb.