---
title: "Trend — charcoal water filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/charcoal-water-filter/trend"
last_updated: "2026-08-08T21:40:54.450Z"
locale: en
meta:
  description: "Niche score 59/100 · $143K/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 59/100 · $143K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — charcoal water filter - Flapen"
---

# **charcoal water filter**

**Worth a look**

Shows a sweet-spot price point ($31.90 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 31Growth 40Conversion 63Competition 73Returns 92Price range 84Avg price 95Brand share 70Review moat 44Quality gap 35

**Avg price**

**Incredible****$31.90**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$9.90–$108.94**

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

**Competition**

**Good****41%**

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

**Brand share**

**Good****63%**

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

**Conversion**

**Good****5.5%**

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

**Review moat**

**Okay****2,099.91**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+11.7%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$143K**

$143K/yr · 81K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Trend