The 55398A HEPA Central Vacuum Bag 2-pack fits the following Beam models: CV825, CV920, CV1001, CV1601, CV1801, CV1851, CV2301. Further, the bags fit Eureka models CV800, CV900, CV918, CV1801, CV1820, Eureka Boss, Frigidaire, Heatilator, Husky, Star brute and Vacuflo Maxum. These bags are premium OEM quality replacement bags. They are made with HEPA 11 material, providing superior filtration. This HEPA quality makes it ideal for use in homes with pets and allergy sufferers.