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Pool Filter Cartridges

Pool Filter Cartridges shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

59
Worth a look
Market size 4Growth 100Conversion 87Competition 41Returns 96Price range 27Avg price 52Brand share 59Review moat 35Quality gap 75
This niche Category average

Is Pool Filter Cartridges profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Pool Filter Cartridges is a £17K/yr Amazon United Kingdom market (14K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 59/100.

Pool Filter Cartridges: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved >1,000% over the last 90 days and 10.0% of searches end in a purchase.

£17K

revenue / yr

Units sold / yr2K
Search volume / yr>1,000%14K
Conversion rate10.0%
Avg price£12.19

Who owns the niche?

The top 5 brands hold 69% of demand, so 31% of the market is open.

31%

open market share

Brands · sellers16 · 49
Top-5 product click share61%
Open market31%
Avg brand age46 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 20 products

Sponsored placement90%
New entrants (1y)7· 4 succeeded
Avg rating4.3★
Avg reviews2,973

Top Pool Filter Cartridges products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

£0£2K£3K£5K£7K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 rising

Sellers

49

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

25%

  • Bestway28%
  • Mallez17%
  • SUDS-ONLINE9%
  • Mscomft8%
  • Hycago6%
  • Keleily6%

Pool Filter Cartridges demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume14KCVR10.0%Products20Brands16Top 5 Brands69%OOS Rate14.3%Rating4.3★Reviews2,973Avg BSR#111
10K6KPrime Day '25Spike '25Spike '26Prime Day '26Jun '25Aug '25Oct '25Feb '26Apr '26Jun '26

Top Pool Filter Cartridges search terms shoppers use

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

  • bestway pool filter type 15K/yr
  • avenli pool filter cartridge4K/yr
  • bestway type 1 filter3K/yr
  • type 1 filter cartridge2K/yr

What reviews say buyers love and hate about Pool Filter Cartridges

What buyers mention most, as a share of all reviews.

What buyers love

88% of reviews
Size-Overall24%

Fit fine

Value For Money16%

Good value for money

Filtration16%

Good filters

Quality-Overall9%

they appear well made

Advertised Vs Actual Product9%

Awesome just what I wanted

What buyers complain about

65% of reviews
Size-Overall17%

Did not fit

Value For Money10%

there are better value options out there

Quality-Overall9%

These are cheap

Filtration9%

Correct filter terrible delivery by Everi, took ages, kept saying out for delivery,

Jamming/Clogging5%

Don't last too long get clogged very quickly

Pool Filter Cartridges return rate & reasons

Why buyers send it back, as a share of all return requests.

0.8%

Return rate

93%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
91%
2Filtration
4%
3Advertised Vs Actual Product
3%
4Quality-Overall
1%
5Functionality-Overall
0%

Common Pool Filter Cartridges questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Pool Filter Cartridges 59/100 on Amazon United Kingdom — Worth a look. The niche generates £17K/yr across 20 tracked products. 4 of 7 products launched in the last 360 days are still selling. Search demand moved >1,000% over the last 90 days.
Pool Filter Cartridges buyers on Amazon United Kingdom complain most about Size-Overall, Value For Money, Quality-Overall, the themes mined from the niche's reviews. Its return rate is 0.8%.