20x20x4 - 3M Filtrete
3M Filtrete 20x20x4 Furnace Filter Case of 4.
- Genuine Original 3M Filtrete 20 x 20 x 4
- Actual/Exact Size 19 1/2" x 19 1/2" x 3 5/8"
- Equivalent to MERV 11
- Case of 4
- Pick Up In Store $145.00
Sold Out
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
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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
20x20x4 Furnace Filter 20 x 20 x 3.68" MERV 11 Rated Pleated Filters. Case of 4
- Exact Size Replacement for 3M Filtrete 20 x 20 x 4 Air Cleaning Filter
- Actual/Exact Size 19 1/2" x 19 1/2" x 3 3/4"
- MERV 11 Rated
- Manufactured in Canada by Furnace Filters.Ca
- Case of 4
- Pick Up In Store $55.00