---
title: "Reviews — shower filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/shower-filter/reviews"
last_updated: "2026-08-08T15:17:47.419Z"
locale: en
meta:
  description: "Niche score 57/100 · $10.1M/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 57/100 · $10.1M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — shower filter - Flapen"
---

# **shower filter**

**Worth a look**

Shows a $10.1M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 100Growth 23Conversion 58Competition 38Returns 69Price range 94Avg price 95Brand share 43Review moat 18Quality gap 53

**Market size**

**Incredible****$10.1M**

$10.1M/yr · 6.2M searches

**Avg price**

**Incredible****$32.88**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.52–$67.05**

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

**Returns**

**Good****2.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****5.0%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****79%**

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

**Competition**

**Okay****62%**

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

**Growth**

**Bad****-4.0%**

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

**Review moat**

**Bad****16,906.78**

avg incumbent reviews — the moat a new listing must climb

## Reviews