carbon water filter
Worth a lookShows 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.
Avg price
Great$65.30avg listing price — sweet spot $15–$100
Competition
Great36%top-5 click share — an open shelf
Brand share
Good60%top-5 brand share — brands hold most of the demand
Returns
Good2.1%return rate — above 5% kills the launch gate
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Market size
Good$320K$320K/yr · 112K searches
Review moat
Okay3,038.43avg incumbent reviews — the moat a new listing must climb
Growth
Bad-0.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$6.12–$421.20cheapest to priciest tracked listing — scored on the share inside $15–$100
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
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.Peak months: Jan, Oct, Nov · busiest ÷ quietest = 2.4×
Top carbon water filter search terms
- carbon water filter39K/yr
- water softener filters replacement9K/yr
- atlas filtri8K/yr
- sediment filter replacement6K/yr
- commercial water filter8K/yr
- 5 micron filter7K/yr
- carbon filter water9K/yr
- water filter cartridge 10 inch4K/yr
- 10 inch water filter cartridge4K/yr
- sediment filter cartridge3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
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$23.324.7★5,541 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
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
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$28.804.7★7,836 rev
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$21.5690 rev
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$29.58166 rev
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$66.111,214 rev
BLUERISE 5 Micron 10 x 2.5 Sediment Water Filter Replacement Cartridge
BLUERISE$19.91211 rev
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$28.997,701 rev
Trending
90-day click momentumAquaWeaver 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$21.564.8★
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$29.584.6★
Waterdrop PT-07B Water Filter Pitcher 10-Cup NSF Certified Blue
Waterdrop$17.934.6★
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★
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$29.224.8★
What buyers say about carbon water filter
What buyers praise and complain about, mined from review topics.What buyers love
“Best filter”
“The build quality is excellent”
“Decent price”
“EASY to install”
“Love the size”
“Better than I expected”
“Ease of use”
“works great”
“Great for well water”
“Works well and cleans the water I like the purchase”
What buyers complain about
“No filter”
“Leaks like crazy”
“Fishy smell”
“Not durable”
“kinda small”
“seems scammy they were able to drop the price”
“Bad Quality”
“False advertisement”
“Water tester shouldn't go in water”
“Very difficult to install”
Top return reasons
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.