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20x20x1 - All 1" Furnace Filters

20x20x1 Furnace Filter MERV 11 Pleated Filters. Case of 12

In Stock

  • Standard 20 x 20 x 1 MERV 11 Pleated Filters
  • Actual Size 19 1/2" x 19 1/2" x 3/4"
  • Made In Canada by FurnaceFilters.Ca
  • Case of 12

20x20x1 Furnace Air Filter MERV 8. Case of 12 by FurnaceFilters.Ca

In Stock

  • Standard 20 x 20 x 1 MERV 8 Rated Pleated Filters
  • Actual Size 19 1/2" x 19 1/2" x 3/4" 
  • Made In Canada by FurnaceFilters.Ca
  • Case of 12

20x20x1 Furnace Filter MERV 13 Pleated Filters. Case of 12

In Stock

  • Standard 20 x 20 x 1 Pleated Filters
  • Actual/Exact Size 19 1/2" x 19 1/2" x 3/4"
  • MERV 13 Rated
  • Manufactured in Canada by Furnace Filters.Ca
  • Case of 12