Best Selling 17x21x1 Air Filter: See Top Product Rankings by Sales Volume & Market Trends

August 2026
129 Products Tracked

Looking for the most popular 17x21x1 air filter products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "17x21x1 air filter." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B004Q69HIU currently leads the 17x21x1 air filter market with 10K monthly sales, followed closely by B07FP5X5G2 with 9K monthly sales and B01CSWQPZG with 1K monthly sales. Meanwhile, ASIN B01CSWQ79U stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
Filtrete 20x25x1 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 24.68 x 0.81 in)
1
B004Q69HIU
$22.99·
4.8
Units/sold10K
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
2
B07FP5X5G2
$27.96·
4.7
Units/sold9K
Aerostar 19.875x21.5x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.875 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA | ACTUAL SIZE (19.875 x 21.50 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600 / FPR 5)
3
B01CSWQPZG
$44.94·
4.7
Units/sold1K
🚀Fastest Growing
by MoM sales growth
Aerostar 16.5x21.5x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
#1
B01CSWQ79U
$41.99·
4.6
Aerostar 16.5x21.5x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
Units/sold
600100.0%
Aerostar Air Filter 21x21x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack | ACTUAL SIZE (20.88 x 20.88 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600 / FPR 5)
#2
B0CLPG6R11
$67.58·
4.9
Aerostar Air Filter 21x21x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack | ACTUAL SIZE (20.88 x 20.88 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600 / FPR 5)
Units/sold
400100.0%

Top Selling 17x21x1 Air Filter

As of August 2026, we analyzed 129 tracked products in Amazon's "17x21x1 air filter" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 300 and 10,000 monthly sales. B004Q69HIU leads the 17x21x1 air filter market with an estimated 10,000 monthly sales.

129Products Tracked
2,350Top 10 Avg. Sales
$43.88Top 10 Avg. Price
4.7Top 10 Avg. Rating
🏆
Filtrete 20x25x1 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 24.68 x 0.81 in)
#1
B004Q69HIU

Filtrete 20x25x1 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 24.68 x 0.81 in)

10,000
Units Sold/mo
$22.99
Price
4.8
Rating
58.1K
Reviews
2
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
B07FP5X5G2
$27.96
4.7 (161K)
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
9,000 Units Sold/mo▲ 14.3%
3
Aerostar 19.875x21.5x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.875 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA | ACTUAL SIZE (19.875 x 21.50 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600 / FPR 5)
B01CSWQPZG
$44.94
4.7 (2.8K)
Aerostar 19.875x21.5x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.875 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA | ACTUAL SIZE (19.875 x 21.50 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600 / FPR 5)
1,000 Units Sold/mo
4
Aerostar 16.375x21.5x1 MERV 11 Air Filter, 4 Count, ACTUAL SIZE (16.50 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA | ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander, Smoke & Allergies MERV 11 (MPR 1200 / FPR 7)
B0813SW6FK
$39.46
4.7 (4.1K)
Aerostar 16.375x21.5x1 MERV 11 Air Filter, 4 Count, ACTUAL SIZE (16.50 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA | ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander, Smoke & Allergies MERV 11 (MPR 1200 / FPR 7)
1,000 Units Sold/mo
5
Aerostar 16.5x21.5x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
B01CSWQ79U
$41.99
4.6 (2K)
Aerostar 16.5x21.5x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
600 Units Sold/mo▲ 100.0%
10
Filter King 17x21x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17 x 21 x .75)
B07FR2HT4B
$39.16
4.7 (1.6K)
Filter King 17x21x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17 x 21 x .75)
300 Units Sold/mo▲ 2.0%
View All 129 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the 17x21x1 air filter price landscape, we segmented all 129 tracked listings in Amazon's live "17x21x1 air filter" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best 17x21x1 air filter price zone, absorbing 43% of the assortment (164 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the 17x21x1 air filter category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 43% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
43%
164 products

Top products in this price tier

#1
B004Q69HIU
$22.99
10k Units Sold/mo
Unlock Top Performers
#2
$50.00 ~ $100.00
Tier 2
35%
135 products
$100.00 ~ $200.00
Tier 3
14%
52 products
$200.00 ~ $500.00
5%
Unlock to view all price tier distributions and their ASIN sales contributions

"17x21x1 air filter" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "17x21x1 air filter" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-08-09 to 2026-08-15, the Amazon USweekly search volume for "17x21x1 air filter" was approximately 256 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #700,220, climbing 372,496 positions from the previous week. Additionally, the top 3 products for this keyword capture 69.4% of the total click share and 69.4% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

17x21x1 air filter

ASINSIGHT
Search Frequency Rank
700,220
372,496
Search Volume
256
58.0%
Top 3 Click Share
69.4%
Top 3 Conv. Share
69.4%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
256
View full trends for the past 3 years
AugSepOctNovDecJanFebMarAprMayJunJulAug

One Amazon dataset. Two ways to use it.

Every number in this 17x21x1 air filter report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.

Web AppExplore & Monitor

Explore the full data

Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.

  • Organic vs. ad traffic shifts per product
  • Hourly rank and search-volume tracking
  • Competitor ASINs and historical trends
Explore the full data

Starts with a free ASINSIGHT account

MCPAsk & AnalyzeFree Beta

Analyze the data your way

Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.

  • Combine product, keyword, sales & ranking data freely
  • Follow up in your own words, no fixed reports
  • Works in ChatGPT, Claude & Cursor
Analyze with ASINSIGHT MCP

20,000 credits/mo free, no credit card

ASINSIGHT logo

Empower Amazon Sellers With Keyword Expertise Boost Product Keyword Rankings.

Copyright © 2026 ASINSIGHT All rights reserved.

|