---
title: "Reviews — so clean filter replacement - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/so-clean-filter-replacement/reviews"
last_updated: "2026-08-11T13:12:53.022Z"
locale: en
meta:
  description: "Niche score 61/100 · $196K/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 61/100 · $196K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — so clean filter replacement - Flapen"
---

# **so clean filter replacement**

**Worth a look**

Shows a thin review moat (20 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 39Growth 97Conversion 96Competition 14Returns 93Price range 82Avg price 95Brand share 13Review moat 99Quality gap 43

**Review moat**

**Incredible****19.7**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Incredible****+180.1%**

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

**Conversion**

**Incredible****13.3%**

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

**Avg price**

**Incredible****$31.81**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$8.69–$47.77**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$196K**

$196K/yr · 46K searches

**Competition**

**Bad****83%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Reviews