Best Selling 18x20x1 Air Filter on Amazon
123
Products
USMarketplace
April 2026Reporting Period
Sales Volume of Top ASINs for '18x20x1 air filter' on AmazonApril 2026

Most Selling Products

This list compiles the monthly sales and rankings of all ASINs that appeared within the first three pages of search results for the keyword “18x20x1 air filter” on Amazon.com in the United States, totaling 123 products. Under this keyword, the top-ranked ASIN recorded more than 10,000 orders in April.
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123
ASINs
1
Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA
Title
Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA
Sales Volume
10,000+
Price($)
32.13
Ratings
4.6
Reviews
24,338
2
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
Title
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
Sales Volume
10,000+
Price($)
31.96
Ratings
4.7
Reviews
51,276
3
Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergy Control, Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
Title
Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergy Control, Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
Sales Volume
10,000+
Price($)
27.86
Ratings
4.6
Reviews
14,507
4
Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.719 x 19.719 x 0.84 in)
Title
Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.719 x 19.719 x 0.84 in)
Sales Volume
7,000+
Price($)
29.62
Ratings
4.8
Reviews
56,490
5
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 15.69x19.69x0.81 in)
Title
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 15.69x19.69x0.81 in)
Sales Volume
7,000+
Price($)
27.96
Ratings
4.7
Reviews
184,334
6
Aerostar 18x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (17.50 x 19.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA
Title
Aerostar 18x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (17.50 x 19.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA
Sales Volume
3,000+
Price($)
28.87
Ratings
4.7
Reviews
8,174
7
Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
Title
Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
Sales Volume
1,000+
Price($)
43.98
Ratings
4.8
Reviews
24,867
8
Filterbuy 18x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75)
Title
Filterbuy 18x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75)
Sales Volume
1,000+
Price($)
29.72
Ratings
4.7
Reviews
156,386
9
Aerostar 18x20x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (17.50 x 19.50 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA
Title
Aerostar 18x20x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (17.50 x 19.50 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA
Sales Volume
1,000+
Price($)
39.37
Ratings
4.7
Reviews
8,174
10
Simply 18x20x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 17.81"x19.81"x0.75") DUST, Pet & Allergy Control,
Title
Simply 18x20x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 17.81"x19.81"x0.75") DUST, Pet & Allergy Control,
Sales Volume
1,000+
Price($)
33.97
Ratings
4.7
Reviews
51,259
Keyword 18x20x1 Air Filter Weekly Search Volume Trend
863
73,122
Search Frequency Rank
During Mar 22–28, this keyword ranked 73,122 in Amazon's Brand Analytics(ABA) report, down 863 from the previous week. The most recent Weekly search volume was 3,195 (-1.36% WoW). These insights help Amazon Sellers track long-term demand trends, identify market opportunities, and spot seasonal peaks.
18x20x1 Air Filter Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "18x20x1 air filter". In the price range of $20–$50, there are 267 ASINs, the highest proportion, accounting for 54.27%. Nearly 79.32% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 49.71% and a combined conversion rate of 48.13%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
2.85%
10-20
3.25%
20-50
54.27%
50-100
32.32%
100-200
5.89%
200-500
1.42%
500-1,000
0.00%
1,000-0
0.00%
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
4.8-5.0
14.50%
4.3-4.7
79.32%
3.8-4.2
3.41%
3.3-3.7
1.71%
2.8-3.2
0.43%
0.0-2.7
0.64%
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Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
0-100
31.26%
100-500
15.42%
500-1,000
9.42%
1,000-2,000
9.42%
2,000-5,000
10.92%
5,000-10,000
10.49%
10,000-0
13.06%
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Top3 Click Share
49.71%
Trend changes in the combined click share of the Top 3 ASINs for the keyword 18x20x1 air filter.
Top3 Conversion Share
48.13%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword 18x20x1 air filter.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
B01CSWQ8EEB01CSWQ8EE
26.81%
26.15%
B00CJZ8DIUB00CJZ8DIU
14.50%
12.75%
B07XKB9541B07XKB9541
8.40%
9.23%
Most Selling Products
Search Volume & Trends
Market Overview
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