Additional Details ------------------------------ Product description: EnviroCare Premium Replacement HEPA Filtration Vacuum Cleaner Filter Designed to Fit Hoover T-Series WindTunnel Uprights. Designed to fit: Hoover WindTunnel T-Series Exhaust HEPA Filter and Carbon Flter (for Pets) Parts 902404001, 303172002 and 303172001. Designed to fit Fits all Hoover WindTunnel T-Series, Pet Rewinds, and Elite Rewind Bagless Uprights