The GeneralAire 4780 is the correct replacement collecting cell for the following air cleaner models:
The GeneralAire D2-0400 Air Cleaner Collecting Cell is a replacement collecting cell for the GeneralAire GA50A22 Electronic Air Cleaner. The GeneralAire DS-0400 collecting cell fits on the plastic cell guide below the cell handle. The GeneralAire 4780 collecting is a crucial internal component of your GA50A22 air cleaner and helps it operate at peak efficiency to reduce airborne particulates in your home.
GeneralAire D2-0400 Air Cleaner Collecting Cell specifications: