HQRP 2-Pack Filters for Dirt Devil UD20005, UD20005EBN, UD20005DI, UD20005BSP, UD20005BDI Easy Lite Cyclonic Quick Vac Coaster HQRP&reg; 2-Pack Filters: Filter Assembly (2PY1105000) + Foam Filter (1PY1106000) plus HQRP&reg; Coaster; The foam filter should be washed every 30 days, and replaced after 6 months. Do not use the vacuum with the wet filter. The HEPA Filter should not be washed, and should also be replaced every 6 months; 100% compatible with original filter; 2 weeks DOA replacement warranty!