doulton water filter
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good723.71avg incumbent reviews — the moat a new listing must climb
Avg price
Good$141.76avg listing price — sweet spot $15–$100
Market size
Good$464K$464K/yr · 141K searches
Returns
Okay3.7%return rate — above 5% kills the launch gate
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Price range
Bad$18.97–$361.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-19.7%90-day search growth — must beat 0% to launch
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, doulton water filter is a $464K/yr Amazon United States market (141K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 40/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
doulton water filter market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $354K–$425K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #572
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 100%
- Out of stock
- 5.6%
- Avg brand age
- 62 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
25
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
61%
Top 20: 96%
Open market
2%
- DOULTON69%
- British Berkefeld12%
- Purewell10%
- YKMGON3%
- Culligan2%
- Invigorated Water1%
- Open — no brand owns it (2 brands, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.7% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 2.2×
Top doulton water filter search terms
- ceramic water filter46K/yr
- british berkefeld water filter31K/yr
- doulton water filter16K/yr
- british berkefeld10K/yr
- berkefeld water filter5K/yr
- ceramic filter7K/yr
- ceramic gravity water filter4K/yr
- ceramic water filter system6K/yr
- british berkefeld gravity water filter2K/yr
- doulton ceramic water filter3K/yr
Top doulton 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
British Berkefeld 2.24 Gallon Gravity-Fed Water Filter System- Stainless Steel with 2x ATC Super Sterasyl Candle Filters
DOULTON$271.264.4★207 rev
British Berkefeld 7 Ultra Sterasyl Ceramic Gravity Filter Cartridge 2 Pack Reduces Contaminants Suitable for All Gravity Cans Improves Taste & Odour NSF Certified Candle Element
DOULTON$79.284.4★851 rev
British Berkefeld Gravity Water Filter with four 7 Super Sterasyl Ceramic Water Filter Elements
British Berkefeld$296.174.3★188 rev
British Berkefeld Doulton 3.17 Gallon W9361137 Countertop Gravity-Fed Water Filtration System Using Ultra Sterasyl Ceramic Filter Candles
DOULTON$322.324.4★456 rev
British Berkefeld Doulton 8674 Ultra Sterasyl Ceramic Filter Candle for Countertop Gravity Water Filter System Short Mount 7 - 4 Pack
DOULTON$161.024.6★249 rev
Newest
by launch date
Culligan MaxClear 2.25 Gallon Gravity Water Filter System Removes Microplastics PFAS & Lead NSF/ANSI Certified Brushed Stainless-Steel Countertop Filter with 1 Ceramic Filter
Culligan$176.64172 rev
Purewell PF-4 Ceramic 3-Stage Purification Elements Washable & Reusable NSF/ANSI 42&372 Certified Replacement for ProOne Berlkey Purewell Filters and Water Filter Systems
Purewell$64.29146 rev
YKMGON 2Pack Replacement Ceramic Dome Water Filter
YKMGON$18.97205 rev
Purewell 3-Stage Gravity Fed Water Filter System 2.25 Gallon Stainless Steel Countertop System with 2 Washable Ceramic Filters and Stand Reduce up to 99% Chlorine PW-OBT
Purewell$127.601,967 rev
Purewell 3-Stage Gravity Fed Water Filter System 2.25 Gallon Stainless Steel Countertop System with 2 Washable Ceramic Filters Metal Water Level Spigot and Stand Reduce up to 99% Chlorine PW-OBT-K
Purewell$148.311,967 rev
Trending
90-day click momentum
British Berkefeld Doulton W9361138 Stainless Steel Gravity Water Filter System with 2 x Ultra Sterasyl Ceramic Filter Candles - Made in UK
DOULTON$272.224.2★
British Berkefeld Doulton Water Element Candle Compatible with Berkey Water Filter Replacement for BB9-2 Gravity Water Filter System 1- Single
DOULTON$38.064.2★
Purewell 3-Stage Gravity Fed Water Filter System 2.25 Gallon Stainless Steel Countertop System with 2 Washable Ceramic Filters and Stand Reduce up to 99% Chlorine PW-OBT
Purewell$127.604.4★
British Berkefeld 2.24 Gallon Gravity-Fed Water Filter System- Stainless Steel with 2x ATC Super Sterasyl Candle Filters
DOULTON$271.264.4★
Culligan MaxClear 2.25 Gallon Gravity Water Filter System Removes Microplastics PFAS & Lead NSF/ANSI Certified Brushed Stainless-Steel Countertop Filter with 1 Ceramic Filter
Culligan$176.644.0★
What buyers say about doulton water filter
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent water filter”
“performs very well”
“Saves money”
“Easy to assemble”
“Water qualities is excellent”
“The unit works as advertised”
“we glue and tie the stands back together as I still like the compact size and it fits right on the counter”
“doesnt appear to be leaking so far”
“now I can enjoy clean water”
“Works great”
What buyers complain about
“Awful filters”
“container starts leaking immediately”
“doesn't fit properly”
“it doesn't smell at all”
“The filters are expensive”
“Their water is horrible”
“can buy compatible units cheaper”
“Just set it up - the instructions are written horribly”
“The instructions for the lid are incorrect”
“The glass dome was full of dried out water spots, not sure it was used and returned”
Top return reasons
Common questions
- Is doulton water filter profitable to sell on Amazon United States?
- The niche generates $464K/yr across 24 tracked products. 90-day search growth is -19.7%. Flapen's verdict: Skip it (40/100).
- How competitive is the doulton water filter niche?
- 8 brands and 25 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in doulton water filter?
- Top complaints mined from reviews: Filtration, Leak-Proof, Size-Overall. The return rate is 3.7%.
- When does demand for doulton water filter peak?
- Demand peaks in Mar–Apr; the busiest month runs 2.2× the quietest.
- What does it cost to enter the doulton water filter niche?
- Listings span $18.97–$361.94; the average listing price is $141.76 (sweet spot $15–$100). The average incumbent carries 724 reviews — the moat a new listing must climb.