---
title: "20x25x1 Air Filter Merv 5 — $37K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/20x25x1-air-filter-merv-5"
last_updated: "2026-08-08T08:52:04.915Z"
locale: en
meta:
description: "Niche score 45/100 · $37K/yr market · 8K searches/yr · $37.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $37K/yr market · 8K searches/yr · $37.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "20x25x1 Air Filter Merv 5 — $37K/yr Amazon US Niche (2026) - Flapen"
---
# **20x25x1 air filter merv 5**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 9Growth 80Conversion 96Competition 0Returns 96Price range 95Avg price 95Brand share 0Review moat 19Quality gap 22
**Conversion**
**Incredible****13.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$37.10**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$33.40–$42.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Great****+72.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,015.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$37K**
$37K/yr · 8K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 20x25x1 air filter merv 5 is a $37K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **20x25x1 air filter merv 5 market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$37K–$46K**
- units × avg price
- **Conversion rate**
- **13.0%**
- **Avg BSR**
- **#190**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **74 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Amazon Basics52% - Filtrete43% - Cabana Air Filters5%
## **Top 20x25x1 air filter merv 5 products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$6K30%$11K45%$17K60%$22K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Basics MERV 5 AC Furnace Air Filter 20x25x1 inches 6-Pack (Actual size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.40**4.6★17,081 rev](https://www.amazon.com/dp/B0DQPF65SW) [2**Filtrete 20x25x1 Air Filter MERV 5 6-Pack AC Furnace HVAC Filters for Home MPR 300 Basic Dust Defense Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)**Filtrete**$38.67**4.8★25,884 rev](https://www.amazon.com/dp/B07FNXPGLG) [3**Cabana Filters 6-Pack 20x25x1 MERV 5 AC Furnace Air Filter Pleated Filters Indoor HVAC System Filtration Replacements - Captures Unwanted Particles**Cabana Air Filters**$42.55**4.6★16 rev](https://www.amazon.com/dp/B0GNT5XP5C) [4**Amazon Basics 20x25x1 Air Filter 6-Pack MERV 8 AC Furnace Filters Removes Dust Electrostatic Allergy Control (Actual Size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.78**4.6★17,081 rev](https://www.amazon.com/dp/B088BZ3BDX)
### **Newest**
by launch date
[**Cabana Filters 6-Pack 20x25x1 MERV 5 AC Furnace Air Filter Pleated Filters Indoor HVAC System Filtration Replacements - Captures Unwanted Particles**Cabana Air Filters**$42.55**16 rev5mo ago](https://www.amazon.com/dp/B0GNT5XP5C) [**Amazon Basics MERV 5 AC Furnace Air Filter 20x25x1 inches 6-Pack (Actual size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.40**17,081 rev11mo ago](https://www.amazon.com/dp/B0DQPF65SW) [**Amazon Basics 20x25x1 Air Filter 6-Pack MERV 8 AC Furnace Filters Removes Dust Electrostatic Allergy Control (Actual Size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.78**17,081 rev5y ago](https://www.amazon.com/dp/B088BZ3BDX) [**Filtrete 20x25x1 Air Filter MERV 5 6-Pack AC Furnace HVAC Filters for Home MPR 300 Basic Dust Defense Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)**Filtrete**$38.67**25,884 rev17y ago](https://www.amazon.com/dp/B07FNXPGLG)
### **Trending**
90-day click momentum
[**Cabana Filters 6-Pack 20x25x1 MERV 5 AC Furnace Air Filter Pleated Filters Indoor HVAC System Filtration Replacements - Captures Unwanted Particles**Cabana Air Filters**$42.55**4.6★**▲ 151%**](https://www.amazon.com/dp/B0GNT5XP5C) [**Amazon Basics 20x25x1 Air Filter 6-Pack MERV 8 AC Furnace Filters Removes Dust Electrostatic Allergy Control (Actual Size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.78**4.6★**▲ 12%**](https://www.amazon.com/dp/B088BZ3BDX) [**Amazon Basics MERV 5 AC Furnace Air Filter 20x25x1 inches 6-Pack (Actual size: 19.75 x 24.75 x 0.75)**Amazon Basics**$33.40**4.6★**— 7%**](https://www.amazon.com/dp/B0DQPF65SW) [**Filtrete 20x25x1 Air Filter MERV 5 6-Pack AC Furnace HVAC Filters for Home MPR 300 Basic Dust Defense Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)**Filtrete**$38.67**4.8★**▼ 14%**](https://www.amazon.com/dp/B07FNXPGLG)
## **What buyers say about 20x25x1 air filter merv 5**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**27%
*“GOOD PRICE”*
**Filtration**19%
*“These filters seem to do the job well”*
**Size-Overall**16%
*“They fit the need at the time”*
**Quality-Overall**14%
*“Excellent quality”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Efficiency**4%
*“Works great”*
**Functionality-Overall**2%
*“Works well”*
**Strength**2%
*“Very sturdy and easy to install”*
**Maintenance And Repair**2%
*“Easy to replace”*
**Assembly/Installation**1%
*“Easy to install and remove”*
### **What buyers complain about **
**Quality-Overall**26%
*“the low build quality”*
**Filtration**16%
*“does not filter properly”*
**Strength**16%
*“Very flimsy”*
**Thickness**5%
*“they are super thin”*
**Size-Overall**5%
*“Not an exact fit”*
**Value For Money**4%
*“It will cost you a lot more in the long run”*
**Durability**4%
*“Crumples in less than 3 months”*
**Jamming/Clogging**3%
*“I had issues with them consistently getting clogged despite changing frequently”*
**Noise Level**3%
*“They are SO LOUD in my intake”*
**Defective Material/Parts**3%
*“Defective product”*
### **Top return reasons **
**Size-Overall**78%
**Filtration**10%
**Compatibility-Overall**4%
**Value For Money**1%
**Advertised Vs Actual Product**1%
**Quality-Overall**1%
**Material Quality**1%
**Defective Material/Parts**1%
**Certifications**0%
**Functionality-Overall**0%
## **Common questions**
- **Is 20x25x1 air filter merv 5 profitable to sell on Amazon United States?**
- The niche generates $37K/yr across 4 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +72.0%. Flapen's verdict: Skip it (45/100).
- **How competitive is the 20x25x1 air filter merv 5 niche?**
- 3 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 20x25x1 air filter merv 5?**
- Top complaints mined from reviews: Quality-Overall, Filtration, Strength. The return rate is 0.7%.
- **What does it cost to enter the 20x25x1 air filter merv 5 niche?**
- Listings span $33.40–$42.55; the average listing price is $37.10 (sweet spot $15–$100). The average incumbent carries 15,016 reviews — the moat a new listing must climb.
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