Amazon.com: AlorAir 8" PVC Flexible Duct Hose for CleanShield HEPA 550 Air Scrubber and PureAiro HEPA Max 770/870/970, Easy Storage (8 Inch x 16.4 Feet, Outlet) : Home & Kitchen
HEYLO PowerVent 1500 Z1 Portable Axial Ventilator Fan
Axial ventilator PV 1500 | Air throughput 1162 m³/h