HQRP Pre-filter for Hoover Windtunnel T-Series UH70202 Purely Clean / UH70140 Rewind Plus Bagless Upright + HQRP Coaster HQRP&reg; Washable filter + HQRP&reg; Coaster; Pre-filter for Hoover Windtunnel T-Series Bagless Upright; This filter is for Hoover Part # 303173001 / 303173002; 100% Compatible with Original filter; 2 weeks DOA replacement warranty!