---
title: "Search terms — pool filter cartridges - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/pool-filter-cartridges/search-terms"
last_updated: "2026-08-01T00:01:21.202Z"
locale: en
meta:
  description: "Niche score 59/100 · £17K/yr market · 14K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · £17K/yr market · 14K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — pool filter cartridges - Flapen"
---

# **pool filter cartridges**

**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 4Growth 100Conversion 87Competition 41Returns 96Price range 27Avg price 52Brand share 59Review moat 35Quality gap 75

**Growth**

**Incredible****>1,000%**

90-day search growth — must beat 0% to launch

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.0%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****69%**

top-5 brand share — brands hold most of the demand

**Avg price**

**Good****£12.19**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****61%**

top-5 click share — leaders hold, buyers still browse

**Review moat**

**Okay****2,972.8**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£5.79–£18.40**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Bad****£17K**

£17K/yr · 14K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")