EnviroCare 3 Pack Nutone Microfiltration Central Vacuum Cleaner Bags Desgined to Fit: Fits: Nutone Classique Series, Classique Series, Beam, Also fits some models of these brand vacuums: Broan, Cyclovac, Dynavac, Easyflo, Eureka, Filteraire, Frigidaire, Housekeeper by Rittenhouse, Husky, Miami Carey, Nutone (391 and 44186 bags), Singer, Smart, Soluvac, Vacuflo 200, Heatilator units Model:CV350, CV351, CV352, CV353, CV450, VX475, CV653, CV750, These models use 8 gal bags also: CV850, CV850, CV10, CV553, CV10, 167, 3067, BU165, V165 models Fit with or replace genuine original (OEM): 391, CF3918, 110025 and 110056, Nutone-391 and 44186 bags, Dimensions: 2 Hole Diameter 25 1/2" x 7 3/4" Bag Size 6 1/2 X 6 1/4 Cardboard, 6 Gallon Manufactured by EnviroCare Technologies, the leader in premium aftermarket Vacuum bags and Filters