Furnace filter media replacement for GeneralAire and General
Replacement filter insert fits GeneralAire and General furnace model numbers AC1, AC-1, AC3, AC-3.
Replaces original General and GeneralAire filter part number 12758.
Also fits Carrier furnace model 31MF020100; Bryant furnace model number 902BXX020 with 35 and 37 inch long pleats.
This is an accordian-style standard filtration replacement that expands to fit inside your filter frame assembly.