---
title: "Charcoal Water Filter — $143K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/charcoal-water-filter"
last_updated: "2026-08-08T20:48:35.582Z"
locale: en
meta:
  description: "Niche score 59/100 · $143K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · $143K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Charcoal Water Filter — $143K/yr Amazon US Niche (2026) - Flapen"
---

# **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.

Market size 31Growth 40Conversion 63Competition 73Returns 92Price range 84Avg price 95Brand share 70Review moat 44Quality gap 35

**Avg price**

**Incredible****$31.90**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

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**

**Good****41%**

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

**Brand share**

**Good****63%**

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

**Conversion**

**Good****5.5%**

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

**Review moat**

**Okay****2,099.91**

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**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$143K**

$143K/yr · 81K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

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 ~~](https://flapen.com/research/methodology)

## **charcoal water filter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$96K–$128K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,211**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**98%**</dd>

<dt>**Out of stock**</dt><dd>**3.8%**</dd>

<dt>**Avg brand age**</dt><dd>**77 months**</dd>

<dt>**Avg seller age**</dt><dd>**159 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**27 **▼falling

**Sellers**

**58**

**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.

2K1KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/charcoal-water-filter/trend)

## **Top charcoal water filter search terms**

- **charcoal water filter**33K/yr-0.7%3.3% conv. - **carbon block water filter**9K/yr+14.1%3.1% conv. - **binchotan charcoal sticks**3K/yr+999.5%2.8% conv. - **activated charcoal water filter**8K/yr-2.4%2.0% conv. - **carbon block filter**5K/yr+9.5%2.0% conv. - **carbon water filter cartridge**5K/yr-14.8%6.2% conv. - **binchotan charcoal water filter**3K/yr+54.3%1.8% conv. - **charcoal water filters**4K/yr-3.1%3.3% conv. - **charcoal filter water**3K/yr-23.7%3.1% conv. - **carbon water filters**3K/yr+0.0%4.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/charcoal-water-filter/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.

0%3%$4K6%$9K9%$13K12%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Black + Blum Charcoal Water Filter Sticks | Charcoal Filter Hydration Old Japanese Tradition Lasting 6 Months Each Wood Black (1 Piece)](https://m.media-amazon.com/images/I/31DMhF+fU3L.jpg)**Black + Blum Charcoal Water Filter Sticks | Charcoal Filter Hydration Old Japanese Tradition Lasting 6 Months Each Wood Black (1 Piece)**BLACK + BLUM**$12.20**4.5★1,607 rev](https://www.amazon.com/dp/B0061R8WYC) [2![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](https://m.media-amazon.com/images/I/513VYyv2duL.jpg)**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**$26.90**4.6★7,698 rev](https://www.amazon.com/dp/B01N1IJ5V1) [3![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](https://m.media-amazon.com/images/I/61l0+AAi3mL.jpg)**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**$26.77**4.6★6,299 rev](https://www.amazon.com/dp/B084DPJW37) [4![Binchotan Charcoal - Water Purifying Sticks for Great-Tasting Water from Kishu Japan - Each Stick Filters up to 2 Liters of Water - 2 Sticks](https://m.media-amazon.com/images/I/410+g6+0r6L.jpg)**Binchotan Charcoal - Water Purifying Sticks for Great-Tasting Water from Kishu Japan - Each Stick Filters up to 2 Liters of Water - 2 Sticks**IPPINKA**$19.81**4.5★330 rev](https://www.amazon.com/dp/B07NZ178NT) [5![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](https://m.media-amazon.com/images/I/413EuyKT4-L.jpg)**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**$10.17**4.7★1,942 rev](https://www.amazon.com/dp/B00KWJLCXS)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/51S9GQWAedL.jpg)**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**$29.42**40 rev4mo ago](https://www.amazon.com/dp/B0GSX7G2JJ) [![Dong LIM Binchotan Style Charcoal Briquettes 5lbs (2.2kg)](https://m.media-amazon.com/images/I/412S7mIsueL.jpg)**Dong LIM Binchotan Style Charcoal Briquettes 5lbs (2.2kg)**Generic**$20.50**33 rev4mo ago](https://www.amazon.com/dp/B0GS7HG4TJ) [![Lounsweer 100 Pcs Activated Charcoal Distiller Filters for Countertop Water Distillers](https://m.media-amazon.com/images/I/51MWdoGdhPL.jpg)**Lounsweer 100 Pcs Activated Charcoal Distiller Filters for Countertop Water Distillers**Lounsweer**$10.31**248 rev2y ago](https://www.amazon.com/dp/B0CTHNHD9X) [![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)](https://m.media-amazon.com/images/I/51PFtdxEzHL.jpg)**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**$32.44**210 rev3y ago](https://www.amazon.com/dp/B0C9MM4CSM) [![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](https://m.media-amazon.com/images/I/51JSwTPLFSL.jpg)**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**$32.24**319 rev4y ago](https://www.amazon.com/dp/B09VNM3S8W)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/51S9GQWAedL.jpg)**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**$29.42**4.7★**▲ 238%**](https://www.amazon.com/dp/B0GSX7G2JJ) [![Dong LIM Binchotan Style Charcoal Briquettes 5lbs (2.2kg)](https://m.media-amazon.com/images/I/412S7mIsueL.jpg)**Dong LIM Binchotan Style Charcoal Briquettes 5lbs (2.2kg)**Generic**$20.50**4.5★**▲ 230%**](https://www.amazon.com/dp/B0GS7HG4TJ) [![Kishu Charcoal Unwashed - 2 Regular Sticks for Pitchers. The Only Certified & Tested Charcoal Water Purifier. Absorbs Toxins.](https://m.media-amazon.com/images/I/419RDdrFGoL.jpg)**Kishu Charcoal Unwashed - 2 Regular Sticks for Pitchers. The Only Certified & Tested Charcoal Water Purifier. Absorbs Toxins.**Kishu Charcoal**$17.92**4.7★**▲ 146%**](https://www.amazon.com/dp/B08HFFQF2Q) [![Binchotan Charcoal from Kishu Japan - Water Purifying Sticks for Great-Tasting Water 4 Sticks Each Stick Filters up to 2 Liters of Water](https://m.media-amazon.com/images/I/31WCZHXi6EL.jpg)**Binchotan Charcoal from Kishu Japan - Water Purifying Sticks for Great-Tasting Water 4 Sticks Each Stick Filters up to 2 Liters of Water**IPPINKA**$29.08**4.4★**▲ 101%**](https://www.amazon.com/dp/B07TYSC8PN) [![Binchotan Charcoal - Water Purifying Sticks for Great-Tasting Water from Kishu Japan - Each Stick Filters up to 2 Liters of Water - 3 Sticks](https://m.media-amazon.com/images/I/41-SRRuJYZL.jpg)**Binchotan Charcoal - Water Purifying Sticks for Great-Tasting Water from Kishu Japan - Each Stick Filters up to 2 Liters of Water - 3 Sticks**IPPINKA**$25.25**4.6★**▲ 78%**](https://www.amazon.com/dp/B00ZVDAPFQ)

**~~View all trending →~~**

## **What buyers say about charcoal water filter**

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

### **What buyers love **

**Filtration**27%

*“Best filter”*

**Value For Money**14%

*“Excellent value”*

**Quality-Overall**13%

*“build quality looks great”*

**Size-Overall**11%

*“fits coffee maker perfectly”*

**Advertised Vs Actual Product**7%

*“Exactly what I wanted”*

**Ease Of Use**5%

*“Easy to Use”*

**Assembly/Installation**3%

*“Easy set up”*

**Efficiency**2%

*“works great”*

**Smell**2%

*“with no noticeable odor”*

**Ease Of Cleaning**2%

*“easy to clean”*

### **What buyers complain about **

**Filtration**26%

*“Doesn't filter well”*

**Size-Overall**10%

*“misleading size”*

**Leak-Proof**7%

*“Leaks like crazy”*

**Water Resistance**5%

*“Filters didnt allow water threw”*

**Durability**4%

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

**Smell**4%

*“the water smells”*

**Advertised Vs Actual Product**3%

*“Not as expected”*

**Value For Money**3%

*“Priced Hiked”*

**Weight Heavy**3%

*“it is heavier than expected”*

**Jamming/Clogging**3%

*“Clogged”*

### **Top return reasons **

**Size-Overall**47%

**Filtration**22%

**Compatibility-Overall**10%

**Advertised Vs Actual Product**4%

**Value For Money**3%

**Functionality-Overall**2%

**Leak-Proof**2%

**Defective Material/Parts**1%

**Water Resistance**1%

**Weight Heavy**1%

## **Common questions**

<dl>

<dt>**Is charcoal water filter profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the charcoal water filter niche?**</dt><dd>27 brands and 58 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 63% of demand.</dd>

<dt>**What do buyers complain about in charcoal water filter?**</dt><dd>Top complaints mined from reviews: Filtration, Size-Overall, Leak-Proof. The return rate is 1.1%.</dd>

<dt>**When does demand for charcoal water filter peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.3× the quietest.</dd>

<dt>**What does it cost to enter the charcoal water filter niche?**</dt><dd>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.</dd>

</dl>

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