20 x 24 x 4 - All 4" Furnace Filters
20x24x4 MERV 8 Furnace Air Filter. Exact Size 19 3/8 x 24 3/8 x 3 5/8. Case of 4 by FurnaceFilters.Ca
- Standard 20 x 24 x 4 MERV 8 Rated Pleated Filters
- Actual Size 19 1/2" x 23 1/2" x 3 3/4
- Made in Canada by FurnaceFilters.Ca
- Case of 4