The ONEPWR™ HEPA Filtration Bags deliver superior filtration that helps protect against pet dander, pollen, dust, mold spores and smoke. The 5-layer filtration traps 99.9% of dirt, debris and dust from going back into the air. Plus, the bagged comes with Hoover's Dirt Trap technology, automatically trapping and LOCKING in 4x more dirt and debris than a bagless vacuum. The ONEPWR™ Cordless Bagged Upright filtration bags are easy to change and offer hassle free emptying with HEPA media filtration.