---
title: "Reviews — honeywell 16x25x4 furnace filter - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/honeywell-16x25x4-furnace-filter/reviews"
last_updated: "2026-08-09T08:21:06.613Z"
locale: en
meta:
  description: "Niche score 52/100 · $893K/yr market · 85K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $893K/yr market · 85K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — honeywell 16x25x4 furnace filter - Flapen"
---

# **honeywell 16x25x4 furnace filter**

**Worth a look**

Shows searches that convert (14.3% search→purchase), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Market size 76Growth 34Conversion 96Competition 23Returns 88Price range 59Avg price 85Brand share 19Review moat 49Quality gap 20

**Conversion**

**Incredible****14.3%**

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

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$73.03**

avg listing price — sweet spot $15–$100

**Market size**

**Great****$893K**

$893K/yr · 85K searches

**Price range**

**Good****$35.63–$144.45**

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

**Review moat**

**Okay****1,622.58**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+7.4%**

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

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

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

## Reviews