Info on this old Hoover U4521? Came with my apartment, in working order and good condition. Some searching seems to show it's possibly late 80s vintage. Dunno how these models are regarded
HOOVER WindTunnel Complete Performance Advanced Bagged Upright Vacuum Cleaner with HEPA Media Filtration UH30601 - The Home Depot
Vintage Hoover antique vacuum cleaner against white background Stock Photo - Alamy