Think Crucial Replacement Vacuum Filters - Dirt Devil Style 44 - Allergen Pre-Motor with Foam Air Filter Parts - Pair Part #304019001, 3-04019-001 - Models UD20015, UD20020, UD20025 (2 Pack) 2 PACK OF DIRT DEVIL VACUUM FILTER REPLACEMENTS by Think Crucial. Premium vacuum replacement air filter parts to replace part #304019001, 3-04019-001. Includes washable, reusable pre-motor vaccum cleaner filters. Perfect fit for Dirt Devil Quick Lite Vacuums. Get back to having a clean air to breathe again with our germ purifier, pet smell and smoke eliminator, and bedroom filtration germinator. Have peace of mind that pollution, cigarette, indoor cooking odors can be filtered. CLEAN AND HEALTHY LIFESTYLE: Replacing Dirt Devil air filters should help clean and purify air. Our filter kits fits models UD20015, UD20020, UD20025. A new replacement filter ensures deeper and cleaner air. Have confidence with a refreshing, clear feeling for a home, house, office, apartment, condo, high-rise, large or small tower, while using elite technologies to help the ozone and purify air. SIMPLE AND EASY TO INSTALL: Switch out in less than five (5) minutes, providing time efficiency. Get back to daily activity quickly and make a big difference with air quality in the process. Simply remove the older and dirty filter and replace. Clean, fresh air purifer, reducing allergies, pet dander, odor, mold, dust, carbon, allergen, and smokers smell. LONG LASTING REPLACEMENT FILTER KIT: Washable, reusable pre-motor filters are the perfect replacement every 6 to 12 months. Use for optimal performance or three (3) to four (4) times per year depending upon usage. When an air purifier has a clogged or dirty air filter, it can cause it to work harder and impact utility bills. We deliver high quality, durable and long lasting replacements. They are an efficient investment. They are easy to maintain for the long-term. THINK CRUCIAL manufactures premium quality vacuum replacement parts and stands behind the quality and workmanship of all our products. We maintain a thorough quality control process to ensure compatibility with the Dirt Devil vacuum cleaner air filters models listed above.