User manual Hoover VTH 980 NA1TX (English - 128 pages)
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Amazon.com - EnviroCare Replacement Vacuum HEPA Filter Designed to Fit Hoover T-Series WindTunnel Uprights 2 Filters - Floor Cleaners
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Amazon.com - Replacement Compatible for Hoover T-Series WindTunnel Bagless Upright Filter Kit - Includes Washable Filter Compare to Part 303173001, and HEPA Cartridge Filter Compare to Part 303172002 -
Amazon.com - Genuine Hoover Filter Kit to fit Hoover T-Series WindTunnel Bagless Upright- Includes Washable 303173001, and HEPA Cartridge 303172002 -