here is the link of the hose that will fit Hoover model U5140-900
https://www.ezvacuum.com/hoover-windtunnel-extension-hose-43434031-p-3620.html
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here is the link of the hose that will fit Hoover model U5140-900
https://www.ezvacuum.com/hoover-windtunnel-extension-hose-43434031-p-3620.html