Aerostar 20x25x4 Furnace Filter MERV 8 Pleated Filters. Actual/Exact Size : 19 1/2" x 24 1/2" x 3 3/4" Case of 4.
- Exact Size Replacement for 3M Filtrete 20 x 25 x 4 Air Cleaning Filters
- Actual/Exact Size : 19 1/2" x 24 1/2" x 3 3/4"
- MERV 8 Rated
- Manufactured in Canada by DAFCO / Filtration Group
- Case of 4