---
title: "Pool Filter — £428K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/pool-filter"
last_updated: "2026-07-30T22:01:13.234Z"
locale: en
meta:
description: "Niche score 70/100 · £428K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 70/100 · £428K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Pool Filter — £428K/yr Amazon UK Niche (2026) - Flapen"
---
# **pool filter**
**Worth a look**
Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 57Growth 100Conversion 61Competition 59Returns 97Price range 77Avg price 89Brand share 43Review moat 24Quality gap 76
**Growth**
**Incredible****>1,000%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£20.54**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£6.23–£116.02**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****5.3%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****£428K**
£428K/yr · 393K searches
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****5,026.32**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United Kingdom niche tracking, pool filter is a £428K/yr Amazon United Kingdom market (393K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 70/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pool filter market data**
- **Units sold / yr**
- **20K–25K**
- avg 750–1,000/product
- **Revenue / yr**
- **£411K–£514K**
- units × avg price
- **Conversion rate**
- **5.3%**
- **Avg BSR**
- **#51**
- **Page quality**
- **0%**
- **Prime**
- **74%**
- **Sponsored**
- **94%**
- **Out of stock**
- **5.7%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**89**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 90%
**Open market**
**16%**
- Bestway42% - Mscomft13% - SUDS-ONLINE9% - Mallez9% - Intex6% - LIVIVO5% - Open — no brand owns it (12 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.
100K60KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 166.6×
[**Open Trend **](https://flapen.com/research/uk/home-garden/pool-filter/trend)
## **Top pool filter search terms**
- **pool filter**155K/yr>1,000%3.7% conv. - **bestway pool filter**93K/yr>1,000%6.0% conv. - **swimming pool filter**31K/yr>1,000%2.4% conv. - **pool filters**18K/yr>1,000%6.1% conv. - **pool filter cartridge**19K/yr>1,000%7.3% conv. - **best way pool filter**12K/yr>1,000%5.4% conv. - **bestway filter**9K/yr>1,000%5.3% conv. - **filter for swimming pool**7K/yr>1,000%2.9% conv. - **bestway filter cartridge**7K/yr>1,000%9.2% conv. - **type 1 pool filter**7K/yr>1,000%11.0% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/pool-filter/search-terms)
## **Top pool 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.
0%4%£17K8%£34K12%£51K16%£69K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Bestway | Pool Filter Cartridge Type I 2 Pack Cartridges Filter for Cleaner and Healthier Pool Water Replacement Filter for Hot Tubs and Pools**Bestway**£6.23**4.5★28,312 rev](https://www.amazon.co.uk/dp/B0CDXSGFRV) [2**Mscomft For Bestway Size I Filter Cartridge for Pools for Bestway Swimming Pool Easy Set Filter Cartridge Replacement (4 PCS)**Mscomft**£16.58**4.5★1,104 rev](https://www.amazon.co.uk/dp/B089RF268P) [3**Bestway Filter Pump Above Ground Pool Swimming Pool Accessory 3 028 L**Bestway**£40.70**3.8★345 rev](https://www.amazon.co.uk/dp/B0CDXWQYDF) [4**Mallez Type I Filter Cartridge for Bestway Swimming Pool Replacement Filter Cartridge for Inflatable Swimming Pool 3.1 x 3.5 Inch Pack of 4**Mallez**£13.94**4.3★82 rev](https://www.amazon.co.uk/dp/B0F8J7XHGH) [5**SUDS-ONLINE For Bestway Size I Filter Cartridge for Pools for Bestway Swimming Pool Easy Set Filter Cartridge Replacement for size 1 (2 white)**SUDS-ONLINE**£8.90**4.4★86 rev](https://www.amazon.co.uk/dp/B09NYHXXXS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Splosh Compatible With Bestway Size I Filter Cartridges For Pools**Splosh**£10.56**21 rev2mo ago](https://www.amazon.co.uk/dp/B0H2FBKJ2H) [**SPLASH! Pool Pump Filter Cartridges - Pack of 4 Hot Tub Filter Replacement for 300 Gal/H Pumps Durable PET Spa Filters for Hot Tubs - Easy Clean & Reusable Hot Tub Filters (4-Pack 300 Gal/H)**SPLASH!**£9.31**99 rev2mo ago](https://www.amazon.co.uk/dp/B0H1NFXCXD) [**Denash 330 Gallons Ground Pool Filter Pump Powerful Pool Cartridge Filter Pump High Efficiency Cartridge Electric Pool Filter for Above Ground Pools**Denash**£22.87**0 rev11mo ago](https://www.amazon.co.uk/dp/B0FMRDV6V9) [**Mallez Type I Filter Cartridge for Bestway Swimming Pool Replacement Filter Cartridge for Inflatable Swimming Pool 3.1 x 3.5 Inch Pack of 4**Mallez**£13.94**82 rev1y ago](https://www.amazon.co.uk/dp/B0F8J7XHGH) [**Bestway 950 gal Sand Filter Pump Above Ground Pool Sand Filter Compatible with Filter Balls**Bestway**£116.02**26 rev2y ago](https://www.amazon.co.uk/dp/B0DB1V9R5V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Summer Waves Type I Filter Cartidges for Small Swimming Pools 2 Pack**Summer Waves**£9.09**3.6★**▲ 17%**](https://www.amazon.co.uk/dp/B098K4SXSH) [**woejgo Pool Filter Type I Filter Cartridges for Size 1 Size I Filter Cartridge for Pools Inflatable Pool Filter Easy Installation 3.06 x 3.52 Inch (4 Pack)**woejgo**£15.26**4.4★**▲ 17%**](https://www.amazon.co.uk/dp/B08ZCV2RF8) [**SPLASH! Pool Pump Filter Cartridges - Pack of 4 Hot Tub Filter Replacement for 300 Gal/H Pumps Durable PET Spa Filters for Hot Tubs - Easy Clean & Reusable Hot Tub Filters (4-Pack 300 Gal/H)**SPLASH!**£9.31**4.6★**▲ 17%**](https://www.amazon.co.uk/dp/B0H1NFXCXD) [**Splosh Compatible With Bestway Size I Filter Cartridges For Pools**Splosh**£10.56**4.4★**▲ 17%**](https://www.amazon.co.uk/dp/B0H2FBKJ2H) [**Evoio 800 Gallons Pool Filter Pump Above Ground Swimming Pool Filter Cartridge Pump Electric Pool Water Pump Filter for Pools Sand Cleaning Tool Set with 1 Pool Filter Cartridge**Evoio**£52.71**4.2★**▲ 16%**](https://www.amazon.co.uk/dp/B09T2S2G6M)
**~~View all trending →~~**
## **What buyers say about pool filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**18%
*“Good value for money”*
**Size-Overall**16%
*“Fit fine”*
**Filtration**15%
*“Good filter”*
**Quality-Overall**10%
*“Great product and good seller”*
**Advertised Vs Actual Product**9%
*“Does the job”*
**Ease Of Cleaning**6%
*“Very good at keeping the pool clean”*
**Assembly/Installation**5%
*“Easy to assemble and use”*
**Noise Level**2%
*“Well made, quiet, good purchase”*
**Pressure**2%
*“Great pump”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Durability**11%
*“Don't last”*
**Filtration**11%
*“Filters made it difficult for the pump to pull water through”*
**Quality-Overall**10%
*“Cheap and useless”*
**Size-Overall**9%
*“They where to big”*
**Strength**7%
*“This feels so flimsy”*
**Noise Level**5%
*“lasted less than a week before it became extremely noisy”*
**Functionality-Overall**5%
*“Didnt work”*
**Value For Money**4%
*“Need to be cheaper”*
**Jamming/Clogging**3%
*“filter was clogged with debris so rinsed it off refitted”*
**Water Resistance**2%
*“will no longer pump water through at all so not reliable for any longer than a Fortnite”*
### **Top return reasons **
**Size-Overall**73%
**Filtration**6%
**Functionality-Overall**6%
**Durability**3%
**Defective Material/Parts**2%
**Compatibility-Overall**2%
**Advertised Vs Actual Product**2%
**Noise Level**2%
**Leak-Proof**1%
**Strength**1%
## **Common questions**
- **Is pool filter profitable to sell on Amazon United Kingdom?**
- The niche generates £428K/yr across 31 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (70/100).
- **How competitive is the pool filter niche?**
- 18 brands and 89 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in pool filter?**
- Top complaints mined from reviews: Durability, Filtration, Quality-Overall. The return rate is 0.6%.
- **When does demand for pool filter peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 166.6× the quietest.
- **What does it cost to enter the pool filter niche?**
- Listings span £6.23–£116.02; the average listing price is £20.54 (sweet spot $15–$100). The average incumbent carries 5,026 reviews — the moat a new listing must climb.
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