---
title: "20x20x1 Air Filter Merv 11 — $249K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/20x20x1-air-filter-merv-11"
last_updated: "2026-08-08T12:31:31.664Z"
locale: en
meta:
description: "Niche score 51/100 · $249K/yr market · 52K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $249K/yr market · 52K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "20x20x1 Air Filter Merv 11 — $249K/yr Amazon US Niche (2026) - Flapen"
---
# **20x20x1 air filter merv 11**
**Worth a look**
Shows searches that convert (12.9% search→purchase), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.
Market size 46Growth 59Conversion 96Competition 17Returns 96Price range 95Avg price 95Brand share 9Review moat 19Quality gap 20
**Conversion**
**Incredible****12.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$37.55**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$24.96–$48.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+33.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$249K**
$249K/yr · 52K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,959.67**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 20x20x1 air filter merv 11 is a $249K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **20x20x1 air filter merv 11 market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$225K–$300K**
- units × avg price
- **Conversion rate**
- **12.9%**
- **Avg BSR**
- **#30**
- **Page quality**
- **0%**
- **Prime**
- **78%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- Amazon Basics42% - Filtrete19% - Filterbuy13% - BNX12% - Simply11% - Aerostar4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +33.7% search growth over the last 90 days.
2K1KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/20x20x1-air-filter-merv-11/trend)
## **Top 20x20x1 air filter merv 11 search terms**
- **merv 11 20x20x1**22K/yr+41.0%9.8% conv. - **20x20x1 air filter merv 11**22K/yr+24.4%13.7% conv. - **air filter 20x20x1 merv 11**4K/yr+40.9%14.5% conv. - **20x20x1 merv 11**4K/yr+42.8%15.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/20x20x1-air-filter-merv-11/search-terms)
## **Top 20x20x1 air filter merv 11 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%$37K30%$75K45%$112K60%$150K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Basics 20x20x1 Air Filter 6-Pack MERV 11 AC Furnace Filters Dust Pet Allergy Control Electrostatic (Actual Size: 19.75 x 19.75 x .75)**Amazon Basics**$35.19**4.6★17,081 rev](https://www.amazon.com/dp/B088BWBD95) [2**BNX TruFilter 20x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7**BNX**$43.87**4.7★6,309 rev](https://www.amazon.com/dp/B0C2Y262YK) [3**Filtrete 20x20x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 4 HVAC Filter (Actual Size 19.68 x 19.68 x 0.81 in)**Filtrete**$48.31**4.8★25,454 rev](https://www.amazon.com/dp/B000P7BJHQ) [4**Filtrete 20x20x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters (Actual Size 19.68 x 19.68 x 0.81 in)**Filtrete**$24.96**4.8★57,731 rev](https://www.amazon.com/dp/B004Q6EZYQ) [5**Filterbuy 20x20x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 19.50 x 0.75)**Filterbuy**$37.55**4.6★23,863 rev](https://www.amazon.com/dp/B00CJZ5R2U)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BNX TruFilter 20x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7**BNX**$43.87**6,309 rev3y ago](https://www.amazon.com/dp/B0C2Y262YK) [**Simply 20x20x1 Air Filter Merv 11 4 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x19.75x0.75) DUST Pet & Allergy Control**Simply**$30.41**182 rev3y ago](https://www.amazon.com/dp/B0C15CQH42) [**Simply 20x20x1 Air Filter Merv 11 MPR 1000 6 Pack Furnace Air Filter for HVAC (Actual Size: 19.75x19.75x0.75) DUST Pet & Allergy Control**Simply**$38.52**6,555 rev4y ago](https://www.amazon.com/dp/B09T1DPW45) [**Amazon Basics 20x20x1 Air Filter 6-Pack MERV 11 AC Furnace Filters Dust Pet Allergy Control Electrostatic (Actual Size: 19.75 x 19.75 x .75)**Amazon Basics**$35.19**17,081 rev5y ago](https://www.amazon.com/dp/B088BWBD95) [**Aerostar 20x20x1 MERV 11 Air Filter 6 Count ACTUAL SIZE (19.75 x 19.75 x 0.75) HVAC Air Conditioning & Furnace Filter for Dust Pet Dander Smoke & Allergies (MPR 1200 / FPR 7) Made in USA**Aerostar**$38.65**5,487 rev10y ago](https://www.amazon.com/dp/B01CR9K2HW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Simply 20x20x1 Air Filter Merv 11 4 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x19.75x0.75) DUST Pet & Allergy Control**Simply**$30.41**4.6★**▲ 108%**](https://www.amazon.com/dp/B0C15CQH42) [**Filterbuy 20x20x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 19.50 x 0.75)**Filterbuy**$37.55**4.6★**▲ 49%**](https://www.amazon.com/dp/B00CJZ5R2U) [**Filtrete 20x20x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 4 HVAC Filter (Actual Size 19.68 x 19.68 x 0.81 in)**Filtrete**$48.31**4.8★**▲ 37%**](https://www.amazon.com/dp/B000P7BJHQ) [**Simply 20x20x1 Air Filter Merv 11 MPR 1000 6 Pack Furnace Air Filter for HVAC (Actual Size: 19.75x19.75x0.75) DUST Pet & Allergy Control**Simply**$38.52**4.6★**▲ 36%**](https://www.amazon.com/dp/B09T1DPW45) [**Amazon Basics 20x20x1 Air Filter 6-Pack MERV 11 AC Furnace Filters Dust Pet Allergy Control Electrostatic (Actual Size: 19.75 x 19.75 x .75)**Amazon Basics**$35.19**4.6★**— 9%**](https://www.amazon.com/dp/B088BWBD95)
**~~View all trending →~~**
## **What buyers say about 20x20x1 air filter merv 11**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**26%
*“Good filter”*
**Value For Money**20%
*“Best price”*
**Quality-Overall**17%
*“these are higher quality higher”*
**Size-Overall**13%
*“Fit great”*
**Advertised Vs Actual Product**6%
*“Work as advertised”*
**Efficiency**3%
*“Works Great”*
**Assembly/Installation**2%
*“Very easy to install”*
**Strength**2%
*“Well made and seems more sturdy than some brand name filters I have previously purchased”*
**Durability**2%
*“Functional and durable”*
**Ease Of Use**1%
*“I also appreciate the convenience”*
### **What buyers complain about **
**Filtration**27%
*“Not a good filter”*
**Size-Overall**17%
*“Does not fit”*
**Quality-Overall**15%
*“Very flimsy, terrible quality”*
**Value For Money**6%
*“too pricey”*
**Strength**6%
*“Very flimsy”*
**Noise Level**3%
*“Noisy fit is too small”*
**Material Quality**2%
*“Cheap material”*
**Leak-Proof**2%
*“Air leak before one month”*
**Assembly/Installation**1%
*“I went through two trying to install them”*
**Design-Overall**1%
*“the mechanical design and stability is crap”*
### **Top return reasons **
**Size-Overall**77%
**Filtration**12%
**Compatibility-Overall**4%
**Value For Money**2%
**Quality-Overall**1%
**Functionality-Overall**1%
**Material Quality**1%
**Advertised Vs Actual Product**1%
**Defective Material/Parts**1%
**Certifications**0%
## **Common questions**
- **Is 20x20x1 air filter merv 11 profitable to sell on Amazon United States?**
- The niche generates $249K/yr across 9 tracked products. 90-day search growth is +33.7%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the 20x20x1 air filter merv 11 niche?**
- 6 brands and 31 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in 20x20x1 air filter merv 11?**
- Top complaints mined from reviews: Filtration, Size-Overall, Quality-Overall. The return rate is 0.9%.
- **When does demand for 20x20x1 air filter merv 11 peak?**
- Demand peaks in Jun–Jul; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the 20x20x1 air filter merv 11 niche?**
- Listings span $24.96–$48.31; the average listing price is $37.55 (sweet spot $15–$100). The average incumbent carries 15,960 reviews — the moat a new listing must climb.
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