---
title: "Search terms — 16x20x1 air filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x20x1-air-filter/search-terms"
last_updated: "2026-08-08T13:07:46.782Z"
locale: en
meta:
  description: "Niche score 55/100 · $9.9M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $9.9M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — 16x20x1 air filter - Flapen"
---

# **16x20x1 air filter**

**Worth a look**

Shows a $9.9M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 100Growth 45Conversion 97Competition 12Returns 96Price range 95Avg price 95Brand share 0Review moat 5Quality gap 19

**Market size**

**Incredible****$9.9M**

$9.9M/yr · 1.9M searches

**Conversion**

**Incredible****15.7%**

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

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$32.73**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$25.49–$43.12**

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

**Growth**

**Okay****+16.0%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****86%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****41,464.3**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## Search terms