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20x20x4 Furnace Air Filter MERV 11 Exact Size 19 3/8 x 19 3/8 x 3 5/8. Case of 4 by FurnaceFilters.Ca

20x20x4 Furnace Air Filter MERV 11 Exact Size 19 3/8 x 19 3/8 x 3 5/8. Case of 4 by FurnaceFilters.Ca

$60.00
  • 20 x 20 x 4 Pleated Filters
  • Actual Size 19 1/2" x 19 1/2" x 3 3/4"
  • Exact Replacement for 3M Filtrete 20 x 20 x 4 Air Cleaning Filter
  • MERV 11 Rated
  • Made In Canada by FurnaceFilters.Ca
  • Case of 4