1、Compatibility: This F112 filter replacement set is perfectly designed to fit for Dirt Devil UD20120NC, UD70161, UD70164, UD70174, UD70174B, UD70182, UD70186, UD70355B, UD70350B, UD20124 vacuum cleaners. 2、Safe and Durable Materials: Made from non woven fabric, sponge, and plastic, the odor trapping filter and inlet filter set is safe, hygienic, and designed for long lasting use. 3、Free Breathing Environment: Equipped with both inlet and odor trapping filters, this set effectively absorbs fine dust, smoke, odors, and even bothersome pet smells, offering you a more comfortable breathing environment. 4、Washable and Reusable: Both the inlet filter and odor trapping filter are washable and reusable, with fast rinsing helping remove more stubborn grime for a better experience in subsequent uses. 5、Easy Installation: This replacement filter set can be quickly installed in minutes, maintaining the optimal performance of your upright vacuum cleaner while minimizing the need for maintenance.