Water Filter
Water Filter clears our launch bar: a $3.4M/yr market growing +0.7% this quarter with returns at 1.0%.
Flapen Score
Is Water Filter profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Water Filter is a £3.4M/yr Amazon United Kingdom market (3.2M searches/yr). The top 5 brands hold 95% of demand. Verdict: Launch it — 56/100.
Water Filter: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Yes. Search demand moved +0.7% over the last 90 days and 4.9% of searches end in a purchase.
£3.4M
revenue / yr
Who owns the niche?
The top 5 brands hold 95% of demand, so 5% of the market is open.
5%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 25 products
Top Water Filter products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Aqua Optima Liscia Water Filter Jug & 3 Evolve+ Filter Cartridges 2.5L White - Fridge & Dishwasher Friendly Easy Fill - Reduces Limescale Chlorine & Other Impurities - By LAICA (Packaging May Vary)
- Price
- £10.21
- Rating
- 4.6/5
- Reviews
- 9,936
- Age
- 4y ago
BRITA Marella Water Filter Jug Graphite (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging
- Price
- £17.97
- Rating
- 4.7/5
- Reviews
- 11,462
- Age
- 3y ago
BRITA Flow XXL Water Filter Tank (8.2L) incl. 1x MAXTRA PRO Pure Performance cartridge - fridge-fitting dispenser for families and offices - now in sustainable Smart Box packaging
- Price
- £30.06
- Rating
- 4.5/5
- Reviews
- 5,976
- Age
- 3y ago
Philips Water Filter Jug +4 Taste+ Replacement Filter Cartridges Fast flow White 2.6 litres Electronic timer Packaging May Vary
- Price
- £16.57
- Rating
- 4.4/5
- Reviews
- 7,273
- Age
- 2y ago
Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter 3.5L Countertop Water Filter System Reduces Chlorine Lead Mercury Reduce PFAS PFOA/PFOS 757 Litres Blue (NOT Reduce TDS)
- Price
- £32.22
- Rating
- 4.6/5
- Reviews
- 1,854
- Age
- 1y ago
Trending
90-day click momentum
Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter WD-ED61B 3.5L Countertop Water Filter System Reduce 98% Chlorine and 20+ Contaminants Blue (NOT Reduce TDS)
- Price
- £32.88
- Rating
- 4.6/5
- Reviews
- 673
- Age
- 1y ago
BRITA Marella Water Filter Jug White (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging
- Price
- £18.10
- Rating
- 4.7/5
- Reviews
- 6,883
- Age
- 3y ago
Aqua Optima Liscia Water Filter Jug & 3 Evolve+ Filter Cartridges 2.5L White - Fridge & Dishwasher Friendly Easy Fill - Reduces Limescale Chlorine & Other Impurities - By LAICA (Packaging May Vary)
- Price
- £10.21
- Rating
- 4.6/5
- Reviews
- 9,936
- Age
- 4y ago
BRITA Marella Water Filter Jug Blue (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging
- Price
- £18.77
- Rating
- 4.7/5
- Reviews
- 10,148
- Age
- 3y ago
Philips Water Filter Jug +4 Taste+ Replacement Filter Cartridges Fast flow White 2.6 litres Electronic timer Packaging May Vary
- Price
- £16.57
- Rating
- 4.4/5
- Reviews
- 7,273
- Age
- 2y ago
Newest
by launch date
Water2 Pod 2.0 Under Sink Filter - Reduces Contaminants for Filtered Better-Tasting Water. Quick & Easy to Install. Backed by Bear Grylls. Kit - Includes Capsule Flexis Smart Buzzer & Guide.
- Price
- £102.17
- Rating
- 4.5/5
- Reviews
- 301
- Age
- 1y ago
Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter WD-ED61B 3.5L Countertop Water Filter System Reduce 98% Chlorine and 20+ Contaminants Blue (NOT Reduce TDS)
- Price
- £32.88
- Rating
- 4.6/5
- Reviews
- 673
- Age
- 1y ago
Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter 3.5L Countertop Water Filter System Reduces Chlorine Lead Mercury Reduce PFAS PFOA/PFOS 757 Litres Blue (NOT Reduce TDS)
- Price
- £32.22
- Rating
- 4.6/5
- Reviews
- 1,854
- Age
- 1y ago
Waterdrop PT-05BL-L Water Filter Jug 1×90 Days Filter 2.5L NSF Certified Reduces Lead Fluoride Chlorine and More BPA Free Black
- Price
- £8.63
- Rating
- 4.6/5
- Reviews
- 15,437
- Age
- 2y ago
Philips Water Filter Jug +4 Taste+ Replacement Filter Cartridges Fast flow White 2.6 litres Electronic timer Packaging May Vary
- Price
- £16.57
- Rating
- 4.4/5
- Reviews
- 7,273
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
Brands
7 falling
Sellers
85
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
55%
Top 20: 94%
Open market
2%
- BRITA41%
- Waterdrop23%
- Aqua Optima20%
- PHILIPS6%
- AQUAPHOR5%
- Amazon Basics3%
- Open — no brand owns it (1 brand, 2%)
Water Filter demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top Water Filter search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- water filter1.7M/yr
- water filter jug703K/yr
- water purifier177K/yr
- filter jug131K/yr
- filter96K/yr
- water filter system97K/yr
- water filter jug and cartridges57K/yr
- water filter jugs83K/yr
- filters water jug31K/yr
- filter water jug25K/yr
What reviews say buyers love and hate about Water Filter
What buyers mention most, as a share of all reviews.
What buyers love
84% of reviews“Best filter”
“EXCELLENT PRODUCT”
“much cheaper”
“Easy fit”
“As advertised”
What buyers complain about
68% of reviews“Does not filter”
“Big”
“Not really compatible- needs blue adapter”
“Bad quality”
“better priced”
Water Filter return rate & reasons
Why buyers send it back, as a share of all return requests.
1.0%
Return rate
47%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Water Filter questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
