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Water Filter

Maybe

Shoppers spend $3.4M a year here. But the top 5 brands take 95% of clicks, so Water Filter is a Maybe.

Flapen Score
56
56 / 100
Top 29% of 5,777 Home & Garden niches · +5 vs the category median of 51
Market size
£3.4M/yr3.2M searches / yr
90-day growth
+0.7%search demand this quarter
Competition
55%top-5 click share · 7 brands · 85 sellers

Flapen Score

Water Filter against its category

The dotted line is the Home & Garden average. Past it, Water Filter is stronger. Inside it, weaker.

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Water Filter market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Water Filter 3.2M times last year and spent an estimated £3.4M. The top 5 brands take 95% of clicks. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

4.9% of searches ended in a purchase last week.

Shoppers searched for this 3.2M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.9% of those searches ended in a purchase. Searches in the last 90 days moved +0.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £3.4M a year.

Searches, last 12 months
3.2M
Growth, 90 days vs prior 90
+0.7%
Conversion, latest week
4.9%
Market size, estimated
£3.4Ma year
Peak month
September1.5× the quietest month
Top search term
water filter1.7M searches a year

02 · Price

A sale here is worth £21.89.

Listings sell for £21.89 on average, from £8.22 to £102.17. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 5,000 to 6,000 of them. At £21.89 that is £109K to £131K a year per listing.

Average price
£21.89inside the $15 to $100 sweet spot
Price range
£8.22–£102.17
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
125K–150K
Units per listing a year
5,000–6,000
Revenue per listing a year
£109K–£131K
Returns
1.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

92% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #8 within Water Coolers, Filters & Cartridges. It carries 11,776 reviews at 4.55 stars, so a new listing needs social proof before a better product.

Sponsored listings
92%
Prime listings
92%
Out of stock, average day
0.0%
Average rank
#8in Water Coolers, Filters & Cartridges
Average rating
4.55 starsAmazon United Kingdom average 4.36 stars
Average reviews
11,776per listing
Listings tracked
25

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 52 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
52 months

Products

Top Water Filter products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 55% of clicks. Leaders hold, but buyers still shop past them.

£0£169K£338K£507K£677K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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%)

Demand

Water Filter search demand

Weekly searches over the year, seasonality beneath. Pick a range.

150K100KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Water Filter search terms shoppers use

The exact words 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

Reviews and returns

What reviews say buyers love and hate about Water Filter

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Filtration20%−0.05

Does not filter

Not filtered

not a fantastic filter

Size-Overall9%+0.40

Big

Doesnt fit

which was much smaller than expected

Compatibility-Overall7%−0.10

Not really compatible- needs blue adapter

Not compatible

Incompatible product

Quality-Overall6%+1.02

Bad quality

shoddy quality for the price

Seems nothing is made with the sense of quality these days

Value For Money6%+1.30

better priced

Dont buy cheap

unfortunately far too expensive for me

Love

Filtration21%−0.05

Best filter

Great water filter

No problems with the filter

Quality-Overall17%+1.02

EXCELLENT PRODUCT

Great quality, reliable performance, and Im very happy with it

Good product exactly as described

Value For Money17%+1.30

much cheaper

Great value

Great deal

Size-Overall9%+0.40

Easy fit

Easy to fit

Fit as expected

Advertised Vs Actual Product7%+0.46

As advertised

As described

As promised

Return

1.0% Return rate 47% Fixable by listing

Size-Overall41%▆███▇▇

Big

Doesnt fit

which was much smaller than expected

Filtration16%█▆▇▆▇▇

Does not filter

Not filtered

not a fantastic filter

Compatibility-Overall14%██▇█▆▆

Not really compatible- needs blue adapter

Not compatible

Incompatible product

Functionality-Overall5%█▆▇▅▆▆

the function is not working

Doesn't work

Not very efficient

Leak-Proof5%█▇▆▆▇▅

They leak

Leakage inside

It leaks

FAQ

Common Water Filter questions

Answered from the same tracked data.