---
title: "Search terms — 16x20x1 air filter merv 11 - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x20x1-air-filter-merv-11/search-terms"
last_updated: "2026-08-08T12:35:59.226Z"
locale: en
meta:
  description: "Niche score 52/100 · $177K/yr market · 36K searches/yr. A deep review moat (12,579 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $177K/yr market · 36K searches/yr. A deep review moat (12,579 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — 16x20x1 air filter merv 11 - Flapen"
---

# **16x20x1 air filter merv 11**

**Worth a look**

Shows searches that convert (12.7% search→purchase), but a deep review moat (12,579 avg reviews) keeps it on the watch list.

Market size 36Growth 51Conversion 95Competition 30Returns 95Price range 95Avg price 95Brand share 33Review moat 20Quality gap 21

**Conversion**

**Incredible****12.7%**

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

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$38.98**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$25.49–$63.53**

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

**Growth**

**Good****+21.2%**

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

**Market size**

**Okay****$177K**

$177K/yr · 36K searches

**Brand share**

**Okay****85%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****67%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****12,578.53**

avg incumbent reviews — the moat a new listing must climb

## Search terms