Lennox X0581 - BMAC Furnace Filter 16x25x3 MERV 11
In most home environments, this filter only needs to be replaced every 3-4 months.
Actual size 15-7/8" x 24-1/4" x 3".
FITS THE FOLLOWING MODELS:
- GeneralAire MAC1200, Lennox BMAC-12C
- Trion Air Bear Cub