TOP BENEFITS OF VACUUM HOOVER VACUUM MODEL PRIMARY FILTERS: LONG LASTING RELIABLE AND BETTER AIR QUALITY EASY TO INSTALL FOR MAXIMUM DURABILITY HEALTHIER LIVING.   COMPATIBLE WITH HOOVER VACUUM MODEL PRIMARY FILTER PART # 303903001 – FITS UH70400, UH70405, UH70401, UH70403, UH70404, UH70900, UH70905, UH70930, UH70935 MODELS Ideal replacements for Hoover models measure 5.5" X 5.1" X 2.3" inches. Our vacuum filter part ensures deeper and cleaner surfaces. Have confidence with a refreshing home. 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. Enjoy a clean, fresh, premium, heavy-duty equipment. The long filtration vacuum cleaner has a long life. Replace the Hoover filter every month for optimal performance or one (1) to two (2) per month depending upon usage. When a clogged or dirty bag isn't changed, it can cause the vacuum to work harder and impact utility bills. We deliver high quality, durable and long lasting replacements. They are an efficient investment. Easy to maintain for the long run. This is a generic product designed and engineered in the United States by Crucial Vacuum. This is not a Hoover OEM product and is not covered under any Hoover manufacturer's warranty. The Hoover brand names and logos are the registered trademarks of their respective owners.