---
title: "Search terms — c900 pool filter cartridge - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/c900-pool-filter-cartridge/search-terms"
last_updated: "2026-08-06T02:18:22.422Z"
locale: en
meta:
  description: "Niche score 63/100 · $103K/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 63/100 · $103K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — c900 pool filter cartridge - Flapen"
---

# **c900 pool filter cartridge**

**Worth a look**

Shows searches that convert (11.3% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 25Growth 86Conversion 92Competition 36Returns 87Price range 85Avg price 90Brand share 64Review moat 82Quality gap 33

**Conversion**

**Great****11.3%**

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

**Avg price**

**Great****$58.72**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Growth**

**Great****+88.3%**

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

**Price range**

**Great****$36.95–$109.44**

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

**Review moat**

**Great****365.36**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****67%**

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

**Competition**

**Okay****63%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$103K**

$103K/yr · 16K searches

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Search terms