pool filter
Worth a lookShows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible>1,000%90-day search growth — must beat 0% to launch
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£20.54avg listing price — sweet spot $15–$100
Price range
Great£6.23–£116.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Market size
Good£428K£428K/yr · 393K searches
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Review moat
Bad5,026.32avg incumbent reviews — the moat a new listing must climb
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
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.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 166.6×
Top pool filter search terms
- pool filter155K/yr
- bestway pool filter93K/yr
- swimming pool filter31K/yr
- pool filters18K/yr
- pool filter cartridge19K/yr
- best way pool filter12K/yr
- bestway filter9K/yr
- filter for swimming pool7K/yr
- bestway filter cartridge7K/yr
- type 1 pool filter7K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bestway | Pool Filter Cartridge Type I 2 Pack Cartridges Filter for Cleaner and Healthier Pool Water Replacement Filter for Hot Tubs and Pools
Bestway£6.234.5★28,312 rev

Mscomft For Bestway Size I Filter Cartridge for Pools for Bestway Swimming Pool Easy Set Filter Cartridge Replacement (4 PCS)
Mscomft£16.584.5★1,104 rev

Bestway Filter Pump Above Ground Pool Swimming Pool Accessory 3 028 L
Bestway£40.703.8★345 rev

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£13.944.3★82 rev

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£8.904.4★86 rev
Newest
by launch date
Splosh Compatible With Bestway Size I Filter Cartridges For Pools
Splosh£10.5621 rev

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!£9.3199 rev

Denash 330 Gallons Ground Pool Filter Pump Powerful Pool Cartridge Filter Pump High Efficiency Cartridge Electric Pool Filter for Above Ground Pools
Denash£22.870 rev

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£13.9482 rev

Bestway 950 gal Sand Filter Pump Above Ground Pool Sand Filter Compatible with Filter Balls
Bestway£116.0226 rev
Trending
90-day click momentum
Summer Waves Type I Filter Cartidges for Small Swimming Pools 2 Pack
Summer Waves£9.093.6★

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£15.264.4★

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!£9.314.6★

Splosh Compatible With Bestway Size I Filter Cartridges For Pools
Splosh£10.564.4★

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£52.714.2★
What buyers say about pool filter
What buyers praise and complain about, mined from review topics.What buyers love
“Good value for money”
“Fit fine”
“Good filter”
“Great product and good seller”
“Does the job”
“Very good at keeping the pool clean”
“Easy to assemble and use”
“Well made, quiet, good purchase”
“Great pump”
“Easy to use”
What buyers complain about
“Don't last”
“Filters made it difficult for the pump to pull water through”
“Cheap and useless”
“They where to big”
“This feels so flimsy”
“lasted less than a week before it became extremely noisy”
“Didnt work”
“Need to be cheaper”
“filter was clogged with debris so rinsed it off refitted”
“will no longer pump water through at all so not reliable for any longer than a Fortnite”
Top return reasons
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.