Actual Size: 16 3/8 x 21 1/2 x 7/8 (16.375 x 21.5 x .875) | Nominal Size: 16 3/8 x 21 1/2 x 1 | 4 Pack Filtration Rating: MERV 10. Comparable to 3M Filtrete MPR rating 600 to 800, or Honeywell FPR rating 5 to 6. Enhanced MERV 10 Filtration with similar air flow and resistance as a MERV 10 filter. Durable & Long Lasting: Heavy duty frame won't buckle or support microbial growth. Affordable high quality replacements for Carrier, Payne, or Bryant 16 3/8 x 21 1/2 x 1 air filters.
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