An accessory adapter that provides an alternative to sheetrock patching, tape and texture. It works with any of the Cadet Com-Pak fan-forced units to cover-up a large hole so you can replace an outdated heater with a new one. A great alternative for replacing obsolete heaters, the metal adapters can be painted with acrylic latex paint. Maximum area coverage is 16.5 in. W x 20 in. H. Includes adapter, instructions and 4 almond screws.