---
title: "Search terms — filtrete f2 air purifier replacement filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/filtrete-f2-air-purifier-replacement-filter/search-terms"
last_updated: "2026-08-09T04:20:41.306Z"
locale: en
meta:
  description: "Niche score 45/100 · $99K/yr market · 16K searches/yr · $32.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · $99K/yr market · 16K searches/yr · $32.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Search terms — filtrete f2 air purifier replacement filter - Flapen"
---

# **filtrete f2 air purifier replacement filter**

**Skip it**

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 25Growth 50Conversion 99Competition 0Returns 97Price range 95Avg price 95Brand share 0Review moat 77Quality gap 14

**Conversion**

**Incredible****19.1%**

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

**Returns**

**Incredible****0.6%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$32.47**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$24.66–$45.28**

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

**Review moat**

**Great****464.4**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+19.7%**

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

**Market size**

**Bad****$99K**

$99K/yr · 16K searches

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****100%**

top-5 click share — a locked-up shelf

**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