300cm Stretched Length 42/60/75mm Bellows Warm Air Ducting Intake Outlet Exhaust Corrugation Hose Pipe Stretchable For Webasto Eberspacher Parking Heaters Important Note: The product will be properly compressed for shipping, the size will be different after receiving the product, please stretch lightly and fully, or have someone hold it to stretch it out, then you will get the length you want. Specification : Material : Aluminum Color : Black Diameter : 42mm 60mm 75mm Extendable: Yes Fit For: Webasto, Dometic, Planer etc.For diesel air heatersfor Air paking heater Car/Truck/Boat/Heavy machine /Agricultural machinery/industrial machinery Diameter: 42mm-300cm: After stretching length :300cm 60mm-300cm: After stretching length :300cm 75mm-300cm: After stretching length :300cm Package include :1x Heater Duct