20x25x5 Generalaire Furnace Filter MERV 11

Generalaire / Reservepro 4551 MERV 11 20x25x5 Furnace Filter will provide you with the cleanest air your home has ever had. This product is a genuine Generalaire / Reservepro product, sourced directly from the manufacturer.

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

Actual size 19-5/8" x 24-3/16" x 4-15/16"

FITS THE FOLLOWING MODELS:

• Generalaire / Reserve 4501
• GeneralAire GF-2025, GF-GAFB2832, GF-GAFB2843, Mega-Mac MAC2000, MAC-L
• Lennox BMAC-20C, MAC-10, MF1-20
• Source1 S1-MAC10202505
• Totaline P101-MF20
• Trion Air Bear 2000
• York S1-MAC10202505