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20 x 20 x 4(3 3/4") - All 4" Furnace Filters

20 x 20 x 4 MERV 11 Pleated Filters. Case of 4

$85.00

20 x 20 x 4 Pleated Filters Actual Size 19 1/2" x 19 1/2" x 3 3/4" Please Verify to Avoid Costly Returns Exact Replacement for 3M Filtrete 20 x 20...

20 x 20 x 4 MERV 8 Pleated Filters. Case of 4

$80.00

20 x 20 x 4 Pleated Filters Actual Size 19 1/2" x 19 1/2" x 3 3/4" Please Verify to Avoid Costly Returns Exact Replacement for 3M Filtrete 20 x 20...