Think Crucial Replacement Hoover UH72400 HEPA Style Filter, Compatible Part # 440003905 HIGH QUALITY AIR FILTER that can replace your Hoover HEPA Style Filter. Get back to having a great working vacuum again! SAVE MONEY by using a new air filter! When your Hoover vacuum has a clogged or dirty air filter it can cause it to work harder which will end up hurting your vacuum's motor! This filter fits the following models: UH72400, UH72409, UH72401 & UH72409DI. EASY TO INSTALL so you can get back to a healthy vacuum as soon as possible! Simply remove your old filter and put this brand new one in it's place! Comparable to part # 440003905. HEALTHIER LIFESTYLE! This washable and reusable filter can actually improve the air quality of your home! Crazy, right? With a cleaner vacuum filter your vacuum won't blow dirt particles into the air so you can breathe quality air again! GUARANTEED SATISFACTION because of a 30 day full money back guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!