---
title: "Search terms — replacement under-sink water filters - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/replacement-under-sink-water-filters/search-terms"
last_updated: "2026-08-08T17:48:46.824Z"
locale: en
meta:
  description: "Niche score 52/100 · $141K/yr market · 74K searches/yr · $26.09 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $141K/yr market · 74K searches/yr · $26.09 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — replacement under-sink water filters - Flapen"
---

# **replacement under-sink water filters**

**Worth a look**

Shows low returns (0.9%), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 31Growth 36Conversion 76Competition 48Returns 95Price range 83Avg price 95Brand share 45Review moat 38Quality gap 20

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$26.09**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.12–$64.79**

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

**Conversion**

**Great****7.3%**

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

**Competition**

**Okay****56%**

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

**Brand share**

**Okay****78%**

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

**Review moat**

**Okay****2,689.32**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+8.6%**

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

**Market size**

**Okay****$141K**

$141K/yr · 74K searches

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

## Search terms