20x20x1 Air Filter Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
20x20x1 Air Filter sales on Amazon US totaled 141,600 units in July 2026 (▲ 10.8% vs. the prior month), generating an estimated $4,891,521 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 69.9% of unit volume and 64.3% of revenue, while a typical listing is priced at $42.88. The keyword itself pulled 141,659 Amazon queries over the same period (▲ 8.8% MoM).
Zooming out to the 12-month window ending July 2026, the 20x20x1 air filter Top 50 moved 1,267,250 units and $45,647,476 in cumulative sales — an average of 105,604 units and $3,803,956 per month. Monthly throughput topped out at 141,600 units in July 2026 and dipped to 69,450 in May 2026, leaving the latest reading 38.7% higher than August 2025.
20x20x1 Air Filter Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
141.6K
▲ 10.8% MoM
Monthly Revenue 2026/07
$4.9M
▲ 7.5% MoM
Top 10 Market Share 2026/07
69.9%
20x20x1 Air Filter Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 20x20x1 air filter listing on Amazon US in July 2026 is ASIN B07G2KT7FN (Brand: Simply), which sold 20,000 units at $31.94 apiece — equal to 14.1% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 99,000 units and $3,143,440 in July 2026 — 69.9% of unit volume and 64.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '20x20x1 Air Filter' on Amazon
July 2026
Is 69.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B07G2KT7FN
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
20K
▲ 0.0%vs. prior month
$638.8K
latest month
12-month trend
B00CJZ8LAK
Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 0.75)
10K
▲ 0.0%vs. prior month
$294.8K
latest month
12-month trend
B088BWBD95
Amazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)
10K
▲ 0.0%vs. prior month
$368.7K
latest month
12-month trend
B088BZ3BDX
Amazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
10K
▲ 0.0%vs. prior month
$314.5K
latest month
12-month trend
B088BZTYFP
Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
10K
▲ 0.0%vs. prior month
$278.5K
latest month
12-month trend
B004Q6EZYQ
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)
10K
▲ 42.9%vs. prior month
$296.2K
latest month
12-month trend
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Best 20x20x1 Air Filter Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Amazon Basics is the best-performing 20x20x1 air filter brand in July 2026, moving 35,000 units across 4 ASINs for 35.4% of Top 10 volume. Simply follows with 20,000 units (20.2%), ahead of Filtrete on 20,000 units (20.2%).
With 5 brands splitting the Top 10 and 75.8% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $31.94 to $34.62, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Amazon Basics
4 ASINs in Top 10
35.4%
Units
35K
Revenue
$1.1M
Avg. price
$34.54
B088BWBD95
$36.24·★4.6·7.1K revsAmazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)
Units sold10KB088BZ3BDX
$42.52·★4.6·9.8K revsAmazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
Units sold10KB088BZTYFP
$30.64·★4.6·9.8K revsAmazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
Units sold10KB0DQPD5693
$28.75·★4.6·1.2K revsAmazon Basics MERV 5 AC Furnace Air Filter, 20x20x1 inches, 6-Pack (Actual size: 19.75" x 19.75" x 0.75")
Units sold5K
Simply
1 ASIN in Top 10
20.2%
Units
20K
Revenue
$638.8K
Avg. price
$31.94
B07G2KT7FN
$31.94·★4.7·54K revsSimply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
Units sold20K
Filtrete
2 ASINs in Top 10
20.2%
Units
20K
Revenue
$649.5K
Avg. price
$34.62
B004Q6EZYQ
$29.62·★4.8·58.1K revsFiltrete 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)
Units sold10KB07FNXS7G9
$39.62·★4.7·160.9K revsFiltrete 20x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
Units sold10K
Trending 20x20x1 Air Filter Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B00CK025GK booked 4K units at $37.98, with ▲ 100.0% MoM change. On the growth side, B0CN83JH7Y leads positive momentum with ▲ 300.0% MoM growth on 400 units, with B0C2Y262YK close behind at ▲ 200.0% MoM on 3K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B00CK025GK
Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 0.75)
Price
$37.98
Rating
4.7
Reviews
3K
Latest month sales
B0CN83JH7Y
Aerostar 20x20x1 MERV 6 Air Filter, 6 Count | ACTUAL SIZE (19.75 x 19.75 x 0.75) AC Filter, HVAC, Furnace Filter for Dust, Lint & Pollen Control MERV 6
Price
$33.99
Rating
4.7
Reviews
609
Latest month sales
B0C2Y262YK
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
Unlock to view ASIN details and product titles
Price
$39.99
Rating
4.7
Reviews
6.5K
Latest month sales
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