The FAMCO FR furnace filter rack is made to hold a 4 inch furnace filter – smaller filters can be used, although you will need to secure the filter using spacers at the corners to prevent them from moving in the slot, these are not provided with this product. For an option with removable channels for multiple filter sizes, see our FRB filter rack base. Easy filter access with use of snap clips and simplified “door”. Quality constructed from heavy-duty 28 gauge galvanized steel.
The FAMCO FR furnace filter rack come in a range of sizes to fit common sized ducting: 14 x 20 inch up to 20 x 25 inch. The FAMCO FR furnace filter rack is manufactured by FAMCO in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us.