---
title: "Search terms — 20x20x4 air filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/20x20x4-air-filter/search-terms"
last_updated: "2026-08-08T12:33:03.503Z"
locale: en
meta:
  description: "Niche score 61/100 · $1.9M/yr market · 249K searches/yr · $58.82 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · $1.9M/yr market · 249K searches/yr · $58.82 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Search terms — 20x20x4 air filter - Flapen"
---

# **20x20x4 air filter**

**Launch it**

A $1.9M/yr market growing +22.3% this quarter with returns at 1.0% — clears our launch bar.

Market size 93Growth 51Conversion 96Competition 25Returns 95Price range 95Avg price 90Brand share 25Review moat 20Quality gap 37

**Conversion**

**Incredible****13.0%**

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

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Price range**

**Incredible****$36.65–$95.92**

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

**Market size**

**Great****$1.9M**

$1.9M/yr · 249K searches

**Avg price**

**Great****$58.82**

avg listing price — sweet spot $15–$100

**Growth**

**Good****+22.3%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****70%**

top-5 click share — a locked-up shelf

**Brand share**

**Okay****90%**

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

**Review moat**

**Bad****14,093.27**

avg incumbent reviews — the moat a new listing must climb

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

## Search terms