---
title: "Trend — water filter cartridge - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/water-filter-cartridge/trend"
last_updated: "2026-08-08T11:49:09.686Z"
locale: en
meta:
  description: "Niche score 46/100 · $245K/yr market · 169K searches/yr · $20.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $245K/yr market · 169K searches/yr · $20.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — water filter cartridge - Flapen"
---

# **water filter cartridge**

**Skip it**

Soft demand (-10.0% this quarter) — this niche doesn't clear our bar today.

Market size 46Growth 20Conversion 75Competition 25Returns 96Price range 79Avg price 90Brand share 33Review moat 21Quality gap 24

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$20.92**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.09–$34.84**

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

**Conversion**

**Good****7.0%**

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

**Market size**

**Okay****$245K**

$245K/yr · 169K searches

**Brand share**

**Okay****85%**

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

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****10,584.21**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-10.0%**

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

## Trend