Browse
Shopping Cart

Browse by Size:



Browse by Part #:

ALL 4" FURNACE FILTERS

3M Filtrete 20 x 20 x 4. Case of 4

3M Filtrete 20 x 20 x 4. Case of 4

Out of Stock

  • Genuine Original 3M Filtrete 20 x 20 x 4 
  • Actual Size 19 1/2" x 19 1/2" x 3 5/8" 
  • Equivalent to MERV 11
  • Case of 4


Sold Out