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Healthy Climate HCF20-16 Carbon Clean Replacement Box Filter, MERV 16, 20" x 25" x 5" X6675 - Reliable Home Environment
HDX 20-inch x 20-inch x 1-inch MERV 8 Pleated Air Filter 12 Pack | The Home Depot Canada
Filterbuy 20x25x5 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Honeywell FC100A1037, Lennox X6673, Carrier EXPXXFIL0020, Bryant, Day & Night, and Payne (Actual Size: 19.88
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MERV Rating - What is a MERV rating? | A Guide to Air Filter MERV Rating Chart