All 20 listings, cheapest per filter first
| Item | Size | Price | Per filter | |
|---|---|---|---|---|
| 16x20x1 FBG Furn Filter, Sold as 12 Pack | 12 filter | $41.85 | $3.49 | Amazon → |
| Filtrete 16x20x1 Air Filter, 3M MERV 1 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size 15.98 | 6 filter | $29.99 | $5.00 | Amazon → |
| Amazon Basics MERV 5 AC Furnace Air Filter, 16x20x1 inches, 6-Pack (Actual Size: 15.75" x 19.75" x 0 | 6 filter | $30.46 | $5.08 | Amazon → |
| Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, | 6 filter | $31.55 | $5.26 | Amazon → |
| Aerostar Air Filter 16x20x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack | 6 filter | $32.23 | $5.37 | Amazon → |
| Filtrete 16x20x1 Air Filter, MERV 5, MPR 300, 6 HVAC Filters | 6 filter | $33.84 | $5.64 | Amazon → |
| Simply 16x20x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x19.75"x0. | 6 filter | $35.06 | $5.84 | Amazon → |
| Simply 16x20x1 Air Filter, Merv 11, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x19.75"x0 | 6 filter | $36.76 | $6.13 | Amazon → |
| BNX TruFilter 16x20x1 Air Filter MERV 8 Dust, Pet & Allergy Defense 6-Pack | 6 filter | $41.96 | $6.99 | Amazon → |
| Filterbuy 16x20x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | 6 filter | $42.96 | $7.16 | Amazon → |
| BNX TruFilter 16x20x1 Air Filter MERV 11 Allergy, Dust & Pet Defense 6-Pack | 6 filter | $43.45 | $7.24 | Amazon → |
| Aerostar 16x20x1 MERV 11-4 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, C | 4 filter | $29.70 | $7.42 | Amazon → |
| Filterbuy 16x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | 4 filter | $30.56 | $7.64 | Amazon → |
| Aerostar Air Filter 16x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack | 6 filter | $45.87 | $7.64 | Amazon → |
| BNX TruFilter 16x20x1 Air Filter MERV 13 Smoke, Allergy, Pet Defense 6-Pack | 6 filter | $47.19 | $7.86 | Amazon → |
| Filtrete 16x20x1 Air Filter, MERV 8, MPR 700, 4 HVAC Filters | 4 filter | $31.99 | $8.00 | Amazon → |
| Filtrete 16x20x1 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters | 2 filter | $19.79 | $9.89 | Amazon → |
| Filtrete 16x20x1 Air Filter, MERV 11, MPR 1000, 6 HVAC Filters | 6 filter | $59.37 | $9.89 | Amazon → |
| Filterbuy 16x20x1 Air Filter MERV 11 Pet & Allergy Defense (4-Pack) | 4 filter | $41.96 | $10.49 | Amazon → |
| Filtrete 16x20x1 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters | 2 filter | $27.99 | $13.99 | Amazon → |
Prices as of 2026-10-24 19:33:19 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More filters
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- Furnace filter 20x20x1 $5.25/filter
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- Furnace filter 20x30x1 $5.00/filter