20x20x4 Furnace Filter 20 x 20 x 3.68" MERV 8 Rated Pleated Filters. Case of 4
- Exact Size Replacement for 3M Filtrete 20 x 20 x 4 Air Cleaning Filters
-
Actual/Exact Size 19 1/2" x 19 1/2" x 3 3/4"
- MERV 8 Rated
- Manufactured in Canada by Furnace Filters.Ca
- Case of 4
- Pick Up In Store $44.00