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Amazon Basics Merv 11 AC Furnace Air Filter - 16'' x 25'' x 1'', 6-Pack: Amazon.com: Tools & Home Improvement
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Amazon Basics Merv 11 AC Furnace Air Filter, 20'' x 30'' x 1'', 6-Pack: Amazon.com: Tools & Home Improvement
![Spearhead [16x20x1, 4-PK] MERV 11 EPA-Registered Odor Defense HVAC AC Furnace Filter w/Rigid Frame, Clog-Free Design, Verified Efficiency & Quiet Filtration - Amazon.com](https://m.media-amazon.com/images/I/81dV1XoH8mL._AC_UF894,1000_QL80_.jpg "Spearhead [16x20x1, 4-PK] MERV 11 EPA-Registered Odor Defense HVAC AC Furnace Filter w/Rigid Frame, Clog-Free Design, Verified Efficiency & Quiet Filtration - Amazon.com")