Skip to content

Universal Water Filter Cartridge

Fail

Shoppers spend only $40K a year here, so Universal Water Filter Cartridge is a Fail.

Flapen Score
44
44 / 100
Ranks 4,195 of 5,777 Home & Garden niches · −7 vs the category median of 51
Market size
£40K/yr33K searches / yr
90-day growth
-5.8%search demand this quarter
Competition
66%top-5 click share · 15 brands · 49 sellers

Flapen Score

Universal Water Filter Cartridge against its category

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

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Universal Water Filter Cartridge market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Universal Water Filter Cartridge 33K times last year and spent an estimated £40K. The top 5 brands take 72% of clicks. Flapen scores it 44 out of 100, a Fail.

01 · Demand

8.6% of searches ended in a purchase last week.

Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 8.6% of those searches ended in a purchase. Searches in the last 90 days moved -5.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £40K a year.

Searches, last 12 months
33K
Growth, 90 days vs prior 90
-5.8%
Conversion, latest week
8.6%
Market size, estimated
£40Ka year
Peak month
August1.4× the quietest month
Top search term
universal water filter cartridge15K searches a year

02 · Price

A sale here is worth £14.46.

Listings sell for £14.46 on average, from £7.92 to £25.78. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At £14.46 that is £1K to £4K a year per listing.

Average price
£14.46under the $15 to $100 sweet spot
Price range
£7.92–£25.78
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–3K
Units per listing a year
100–250
Revenue per listing a year
£1K–£4K
Returns
1.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

79% of listings pay for placement with sponsored ads. 79% ship with Prime. On an average day, 5.7% of listings are out of stock. The average listing ranks #77 within Water Coolers, Filters & Cartridges. It carries 5,680 reviews at 4.52 stars, so a new listing needs social proof before a better product.

Sponsored listings
79%
Prime listings
79%
Out of stock, average day
5.7%
Average rank
#77in Water Coolers, Filters & Cartridges
Average rating
4.52 starsAmazon United Kingdom average 4.36 stars
Average reviews
5,680per listing
Listings tracked
19

04 · Newcomers

Amazon counts 1 of last year's 3 launches as successful.

3 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 55 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
1Amazon's first-year sales bar
Average brand age
55 months

Products

Top Universal Water Filter Cartridge 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 66% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£8K£12K£16K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

49

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

22%

  • GN3D22%
  • AQUAPHOR17%
  • BRITA14%
  • ICEPURE11%
  • VILLAPOOL8%
  • FilterLogic6%

Demand

Universal Water Filter Cartridge search demand

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

1K600Spike '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Universal Water Filter Cartridge search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • universal water filter cartridge15K/yr
  • brita classic water filter cartridges9K/yr
  • water filter cartridges universal4K/yr
  • wilko water filter cartridges4K/yr
  • brita water filter classic filters1K/yr

Reviews and returns

What reviews say buyers love and hate about Universal Water Filter Cartridge

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

Complain

Filtration25%−0.06

Not filtering

Do not filter

Cheap filter

Compatibility-Overall14%−0.24

Not really compatible- needs blue adapter

Not compatible

Incompatible product

Value For Money9%+2.51

Dont buy cheap

These resemble their much more expensive

The slightly cheaper price doesnt justify all this messing around

Quality-Overall7%+0.75

Garbage

Very poor quality

Rubbish product

Size-Overall7%+0.39

does not fit the jug

Too big to fit in properly

Does not fit

Love

Value For Money27%+2.51

much cheaper

Good value for money

Great Deal

Filtration21%−0.06

Best filter

Quality filter

Great water filter

Quality-Overall13%+0.75

Good product exactly as described

Excellent product

Good quality cartridges

Size-Overall11%+0.39

Fit perfect

Easy to fit

Fit as expected

Advertised Vs Actual Product11%+0.53

Just what I needed

As promised

As described

Return

1.4% Return rate 43% Fixable by listing

Size-Overall38%▆▇▆▇█▇

does not fit the jug

Too big to fit in properly

Does not fit

Compatibility-Overall28%▇█▇█▇█

Not really compatible- needs blue adapter

Not compatible

Incompatible product

Filtration18%█▇█▇▅▇

Not filtering

Do not filter

Cheap filter

Functionality-Overall6%█▅▆▄▅▅

Doesn't work

Didn't work for me quick delivery and refund

BUT THEY DON'T F#####G WORK

Advertised Vs Actual Product3%█▇▆█▆▇

Not a match as advertised

not as described

False advertising

FAQ

Common Universal Water Filter Cartridge questions

Answered from the same tracked data.