---
title: "Reviews — 16x25x1 fiberglass air filters - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x25x1-fiberglass-air-filters/reviews"
last_updated: "2026-08-08T09:40:56.341Z"
locale: en
meta:
  description: "Niche score 39/100 · $77K/yr market · 40K searches/yr · $49.41 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 39/100 · $77K/yr market · 40K searches/yr · $49.41 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — 16x25x1 fiberglass air filters - Flapen"
---

# **16x25x1 fiberglass air filters**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 19Growth 19Conversion 49Competition 44Returns 96Price range 95Avg price 93Brand share 0Review moat 25Quality gap 17

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Price range**

**Incredible****$29.68–$77.52**

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

**Avg price**

**Great****$49.41**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.9%**

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

**Competition**

**Okay****58%**

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

**Review moat**

**Bad****4,573.65**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****$77K**

$77K/yr · 40K searches

**Growth**

**Bad****-11.5%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## Reviews