Generalaire / Reservepro 4521 MERV 8 Furnace Filter 16x25x3

In most home environments, this filter only needs to be replaced every 3-4 months.

Actual size 15-5/8" x 24-3/16" x 2-15/16"

FITS THE FOLLOWING MODELS:

  • GeneralAire Mini-Mac MAC1200
  • Lennox BMAC-12C
  • Totaline P101-MF12
  • Trion Air Bear Cub / TM / Grille Mount 1200