The GeneralAire #12758 replacement filter fits air cleaner models AC1 and AC22. The filter traps and removes airborne pollutants and allergens. Accordion-style media expands and fits into reuseable plastic frame. Existing pleat spacers are used to hold the filter in the frame. When replaced every six months, the filter provides clean and healthy indoor air.

FEATURES:

• MERV 11
• Removes dust, pollen, mold, pet dander and odors
• Accordion style filter media expands to fit into the plastic frame
• Use existing pleat spacers for an evenly spaced and efficient surface area
• Replace every 6 months
• 2-Pack of factory original filters
• Fits: GeneralAir AC1 and AC22 whole house air cleaners 
• Fits: Bryant 902BX; Carrier 31MF020, 31MF120
• Fits: Source 1 S1-MAC11202506, S1-FM11202506
• Replaces GeneralAire Part # 12758 / GFI # 4001
• 19-5/8" x 25" x 6" nominal size
• 19-5/8" x 24-3/8" x 4-3/4" actual size