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18 x 24 x 4 - All 4" Furnace Filters

18x24x4 Furnace Filter MERV 8 Pleated Filters. Case of 6.

In Stock

  • Standard 18 x 24 x 4 MERV 8 Rated Pleated Filters
  • Actual Size 17 1/2" x 23 1/2" x 3 3/4"
  • Case of 6, Made In Canada
  • Free Shipping In Ontario & Quebec*
  • Pick Up In Store $56.00