---
title: "Trend — 10x20x1 air filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/10x20x1-air-filter/trend"
last_updated: "2026-08-08T07:58:07.900Z"
locale: en
meta:
  description: "Niche score 50/100 · $494K/yr market. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $494K/yr market. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — 10x20x1 air filter - Flapen"
---

# **10x20x1 air filter**

**Worth a look**

Shows low returns (0.8%), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.

Market size 60Growth 39Conversion 90Competition 20Returns 96Price range 91Avg price 95Brand share 10Review moat 15Quality gap 21

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$34.65**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$12.50–$61.30**

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

**Conversion**

**Great****10.7%**

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

**Market size**

**Good****$494K**

$494K/yr · 134K searches

**Growth**

**Okay****+11.2%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****76%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****22,017**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****96%**

top-5 brand share — brand-locked demand

## Trend