Glasfloss ZL 20x23x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 19-1/2 x 22-1/2 x 7/8

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About This Actual Size: 19-1/2 x 22-1/2 x 7/8 | Nominal Size: 20 x 23 x 1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtr ation with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle. Made in the USA. Ideal for residential, commercial, schools, health care, & industrial filtration applications. For optimal performance, recommended to change at least every 3 months. Overview Brand : Glasfloss Material : Metal Product Dimensions : 23"L x 20"W x 1"Th MERV Rating : 10.00 Compatible Devices : Air Cleaner, Air Conditioner, Furnace UPC : 604443901063 Number of Items : 6 Manufacturer : Glasfloss Industries Product Grade : new Unit Count : 6.0 Count Show more