Accessory for cased indoor cooling/heat pump coils; Includes: upflow plenum adapter (2) and 1/4" screws (4), Dims: 5/8"H x 1-11/16"W x 21-3/8"D, Weight: 14 oz, Manufacturer: Rheem, in mfg box, Origin: unknown, **Allows size cased coil to be installed on the next smaller size gas or oil upflow furnace.