---
title: "Reviews — 20x20x2 air filter merv 13 - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/20x20x2-air-filter-merv-13/reviews"
last_updated: "2026-08-08T09:42:36.846Z"
locale: en
meta:
  description: "Niche score 52/100 · $86K/yr market · 20K searches/yr. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $86K/yr market · 20K searches/yr. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 20x20x2 air filter merv 13 - Flapen"
---

# **20x20x2 air filter merv 13**

**Worth a look**

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 21Growth 93Conversion 77Competition 19Returns 98Price range 95Avg price 90Brand share 0Review moat 34Quality gap 37

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Price range**

**Incredible****$42.14–$82.38**

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

**Growth**

**Great****+105.5%**

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

**Avg price**

**Great****$59.17**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****7.4%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,058.2**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****$86K**

$86K/yr · 20K searches

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Reviews