Manufacturer Name: Resideo Product Number: FC40R1029 OEM Part Number: FC40R1029 Product Description: 20X30x3" Return Grille Filter Weight:4.17lbs/1891.48g The Resideo FC40R1029 Return Grille Media Air Filter is a professional air filter cleaner that enhances the quality of air inside a home. Having a MERV 10 rating, it is useful at trapping airborne particles including dust. https://www.partshnc.com/fc40r1029-resideo-20x30x3--return-grille-filter