EnviroCare Replacement Allergen Vacuum bags Designed to fit Titan and Nutone Central Vacuums 3 Pack Designed to Fit: Titan and 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 Fits Models: 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 replaces genuine original manufacturer part numbers: 391, CF3918, 110025 and 110056, Nutone-391 and 44186 bags Designed and developed in the USA Electrostatically charged allergen filtration liner with 99.7% filtration EnviroCare Replacement Allergen Vacuum bags Designed to fit Titan and Nutone Central Vacuums 3 Pack. Designed to Fit: 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. Fits Models: 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 replaces genuine original manufacturer part numbers: 391, CF3918, 110025 and 110056, Nutone-391 and 44186 bags