I have a hoover wind tunnel vacuum cleaner. I have replaced the heap filter and cleaned the primary filter. The bag less canister is clean. When I turn it on it pops like the valve on top is releas
Changed hepa filter cleaned primary filter cleaned bag less canister
Air Purifiers - Hoover - UH70400 - Windtunnel UH70400 Upright Vacuum Cleaner - 11 A -...