---
title: "Search terms — water filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/water-filter/search-terms"
last_updated: "2026-08-08T08:48:19.066Z"
locale: en
meta:
  description: "Niche score 51/100 · $47.8M/yr market. Brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $47.8M/yr market. Brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — water filter - Flapen"
---

# **water filter**

**Worth a look**

Shows a $47.8M/yr market, but brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list.

Market size 100Growth 38Conversion 57Competition 59Returns 41Price range 21Avg price 92Brand share 12Review moat 20Quality gap 42

**Market size**

**Incredible****$47.8M**

$47.8M/yr · 18.6M searches

**Avg price**

**Great****$52.76**

avg listing price — sweet spot $15–$100

**Competition**

**Good****50%**

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

**Conversion**

**Good****4.9%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.7%**

return rate — above 5% kills the launch gate

**Growth**

**Okay****+10.0%**

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

**Price range**

**Bad****$11.15–$422.62**

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

**Review moat**

**Bad****12,855.55**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Search terms