---
title: "Carbon Water Filter — $320K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/carbon-water-filter"
last_updated: "2026-08-07T16:38:39.759Z"
locale: en
meta:
description: "Niche score 53/100 · $320K/yr market · 112K searches/yr. Prices mostly outside the sweet spot ($6.12–$421.20) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $320K/yr market · 112K searches/yr. Prices mostly outside the sweet spot ($6.12–$421.20) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Carbon Water Filter — $320K/yr Amazon US Niche (2026) - Flapen"
---
# **carbon water filter**
**Worth a look**
Shows a sweet-spot price point ($65.30 avg), but prices mostly outside the sweet spot ($6.12–$421.20) keeps it on the watch list.
Market size 52Growth 25Conversion 53Competition 79Returns 72Price range 20Avg price 88Brand share 75Review moat 35Quality gap 23
**Avg price**
**Great****$65.30**
avg listing price — sweet spot $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Brand share**
**Good****60%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$320K**
$320K/yr · 112K searches
**Review moat**
**Okay****3,038.43**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-0.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Price range**
**Bad****$6.12–$421.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, carbon water filter is a $320K/yr Amazon United States market (112K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jan–Oct–Nov. Verdict: Worth a look — 53/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carbon water filter market data**
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **$261K–$327K**
- units × avg price
- **Conversion rate**
- **4.4%**
- **Avg BSR**
- **#146**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **75 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**32 **▲rising
**Sellers**
**96**
**Top-5 brand share**
**60%**
Top 20: 92%
**Top-5 click share**
**36%**
Top 20: 68%
**Open market**
**34%**
- PUREPLUS19% - Aquaboon14% - ICEPURE13% - Waterdrop7% - Membrane Solutions6% - Culligan5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -0.7% search growth over the last 90 days.
5K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Oct, Nov · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/carbon-water-filter/trend)
## **Top carbon water filter search terms**
- **carbon water filter**39K/yr-4.4%2.7% conv. - **water softener filters replacement**9K/yr-2.6%3.7% conv. - **atlas filtri**8K/yr+7.0%0.8% conv. - **sediment filter replacement**6K/yr+25.7%4.9% conv. - **commercial water filter**8K/yr+22.5%0.5% conv. - **5 micron filter**7K/yr-8.1%2.9% conv. - **carbon filter water**9K/yr-22.6%1.7% conv. - **water filter cartridge 10 inch**4K/yr+34.1%4.0% conv. - **10 inch water filter cartridge**4K/yr+20.6%3.4% conv. - **sediment filter cartridge**3K/yr+27.0%4.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/carbon-water-filter/search-terms)
## **Top carbon 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%$10K6%$19K9%$29K12%$38K101001K10K100K 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**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) [2**Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5 AP110 WHKF-GD05 6 Pack**Aquaboon**$23.32**4.7★5,541 rev](https://www.amazon.com/dp/B01M01EDHK) [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**ICEPURE**$26.77**4.6★6,299 rev](https://www.amazon.com/dp/B084DPJW37) [4**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) [5**PUREPLUS 5 Micron 10 x 4.5 Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC GXWH40L GXWH35F GNWH38S Culligan RFC-BBSA WRC25HD PP10BB-CC Pentek RFC-BB 2Pack**PUREPLUS**$28.80**4.7★7,836 rev](https://www.amazon.com/dp/B01N2H2OO6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AquaWeaver 5 Micron Sediment Water Filter Cartridge 10 x 2.5 Whole House Filter Replacement Compatible with All Standard 10-Inch RO and Well Water Filter Systems HF-150A WH-S200-C AP11T 6 Pack**AquaWeaver**$21.56**90 rev8mo ago](https://www.amazon.com/dp/B0G3XT7J6T) [**HOMEWATER 10-Cup Pitcher Filter (White) BPA-Free High-Capacity 2.4L Pitcher with Fast-Flow Carbon Filter Wide Mouth for Easy Pouring Removable Filter Replacement Locking Lid and Dishwasher-Safe**Home Water**$29.58**166 rev1y ago](https://www.amazon.com/dp/B0F3395352) [**ICEPURE 10X4.5 1 Microns Whole House Sediment Activated Carbon Water Filter Compatible with Dupont WFHDC8001 EP Series EPM Series CB-BB-10 GE FXHTC GXWH40L GXWH35F GNWH38S CTO10BB 3PACK**ICEPURE**$66.11**1,214 rev3y ago](https://www.amazon.com/dp/B0CC1GWZMM) [**BLUERISE 5 Micron 10 x 2.5 Sediment Water Filter Replacement Cartridge**BLUERISE**$19.91**211 rev3y ago](https://www.amazon.com/dp/B0D25L3WRZ) [**ZeroWater 22-Cup 5-Stage Water Filter Dispenser with Instant Read Out - 0 TDS for Improved Tap Water Taste - IAPMO Certified to Reduce Lead Chromium and PFOA/PFOS**ZeroWater**$28.99**7,701 rev3y ago](https://www.amazon.com/dp/B0BTFXPZK4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AquaWeaver 5 Micron Sediment Water Filter Cartridge 10 x 2.5 Whole House Filter Replacement Compatible with All Standard 10-Inch RO and Well Water Filter Systems HF-150A WH-S200-C AP11T 6 Pack**AquaWeaver**$21.56**4.8★**▲ 165%**](https://www.amazon.com/dp/B0G3XT7J6T) [**HOMEWATER 10-Cup Pitcher Filter (White) BPA-Free High-Capacity 2.4L Pitcher with Fast-Flow Carbon Filter Wide Mouth for Easy Pouring Removable Filter Replacement Locking Lid and Dishwasher-Safe**Home Water**$29.58**4.6★**▲ 96%**](https://www.amazon.com/dp/B0F3395352) [**Waterdrop PT-07B Water Filter Pitcher 10-Cup NSF Certified Blue**Waterdrop**$17.93**4.6★**▲ 83%**](https://www.amazon.com/dp/B07C3P2RZP) [**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★**▲ 58%**](https://www.amazon.com/dp/B00KWJLCXS) [**PUREPLUS 5 Micron 10 x 4.5 Whole House String Wound Sediment Filter for Well Water Replacement Cartridge for 84637 WPX5BB97P PC10 355214-45 355215-45 WP10BB97P WP5BB97P 2Pack**PUREPLUS**$29.22**4.8★**▲ 48%**](https://www.amazon.com/dp/B01N9024NF)
**~~View all trending →~~**
## **What buyers say about carbon water filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**25%
*“Best filter”*
**Quality-Overall**12%
*“The build quality is excellent”*
**Value For Money**11%
*“Decent price”*
**Assembly/Installation**8%
*“EASY to install”*
**Size-Overall**7%
*“Love the size”*
**Advertised Vs Actual Product**6%
*“Better than I expected”*
**Ease Of Use**6%
*“Ease of use”*
**Efficiency**3%
*“works great”*
**Water Resistance**2%
*“Great for well water”*
**Ease Of Cleaning**2%
*“Works well and cleans the water I like the purchase”*
### **What buyers complain about **
**Filtration**25%
*“No filter”*
**Leak-Proof**12%
*“Leaks like crazy”*
**Smell**5%
*“Fishy smell”*
**Durability**5%
*“Not durable”*
**Size-Overall**5%
*“kinda small”*
**Value For Money**4%
*“seems scammy they were able to drop the price”*
**Quality-Overall**4%
*“Bad Quality”*
**Advertised Vs Actual Product**3%
*“False advertisement”*
**Water Resistance**3%
*“Water tester shouldn't go in water”*
**Assembly/Installation**2%
*“Very difficult to install”*
### **Top return reasons **
**Size-Overall**37%
**Filtration**20%
**Leak-Proof**10%
**Compatibility-Overall**7%
**Advertised Vs Actual Product**5%
**Material Quality**4%
**Value For Money**3%
**Functionality-Overall**2%
**Water Resistance**1%
**Assembly/Installation**1%
## **Common questions**
- **Is carbon water filter profitable to sell on Amazon United States?**
- The niche generates $320K/yr across 63 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -0.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the carbon water filter niche?**
- 32 brands and 96 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 60% of demand.
- **What do buyers complain about in carbon water filter?**
- Top complaints mined from reviews: Filtration, Leak-Proof, Smell. The return rate is 2.1%.
- **When does demand for carbon water filter peak?**
- Demand peaks in Jan–Oct–Nov; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the carbon water filter niche?**
- Listings span $6.12–$421.20; the average listing price is $65.30 (sweet spot $15–$100). The average incumbent carries 3,038 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)