---
title: "Search terms — mouthpeace filter"
canonical_url: "https://flapen.com/research/us/health-household/mouthpeace-filter/search-terms"
last_updated: "2026-08-12T13:34:30.156Z"
locale: en
meta:
  description: "Amazon product research for mouthpeace filter: $14K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for mouthpeace filter: $14K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Search terms — mouthpeace filter"
---

# **Mouthpeace Filter**

**Worth a look**

Shows a thin review moat (17 avg reviews), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 35Growth 19Conversion 80Competition 28Returns 96Price range 83Avg price 95Brand share 0Review moat 99Quality gap 80

**Review moat**

**Incredible****16.8**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$27.95**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.22–$42.93**

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

**Conversion**

**Great****8.2%**

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

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$170K**

$170K/yr · 75K searches

**Competition**

**Okay****68%**

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

**Growth**

**Bad****-11.8%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

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

## Search terms