4 in. Magnetic Door Filter Housing, 18.5x22

These Magnetic Door Filter Housings provide a revolutionary design with a stylish, easy to use, magnetic door. Additionally, this filter housing can be mounted vertically or horizontally. The housing height is 5.25" and takes a standard size 4" filter. Filter housings have a Fully Insulated frame and door. Constructed of durable 26 ga. G90 Galvanized Steel with a stylish Embossed Aluminum Door. Rare-Earth Magnets never lose magnetism and are used to secure the door. Made to nest tightly with our Return Air Stands or our Adjustable Air Handler Stands, and your brand air handler system.