Actual Size: 21 1/2 x 23 5/16 x 7/8 (21.5 x 23.3125 x .875) | Nominal Size: 21 1/2 x 23 5/16 x 1 | 6 Pack Filtration Rating: MERV 8. Comparable to 3M Filtrete MPR rating 600 to 800, or Honeywell FPR rating 5 to 6. Enhanced MERV 8 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle or support microbial growth. Affordable high quality replacements for Carrier, Payne, or Bryant 21 1/2 x 23 5/16 x 1 air filters.
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