---
title: "Reviews — 16x20x2 air filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x20x2-air-filter/reviews"
last_updated: "2026-08-05T23:52:13.725Z"
locale: en
meta:
  description: "Niche score 56/100 · $513K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 56/100 · $513K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 16x20x2 air filter - Flapen"
---

# **16x20x2 air filter**

**Worth a look**

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 60Growth 58Conversion 96Competition 30Returns 99Price range 95Avg price 91Brand share 21Review moat 20Quality gap 18

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****13.6%**

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

**Price range**

**Incredible****$29.14–$84.05**

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

**Avg price**

**Great****$56.02**

avg listing price — sweet spot $15–$100

**Market size**

**Good****$513K**

$513K/yr · 68K searches

**Growth**

**Good****+33.0%**

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

**Competition**

**Okay****67%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Review moat**

**Bad****13,332.13**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

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

## Reviews