Specifications: Model number : B42331 Product name : heater duct & vent outlet & hose clip & Y branch Fitment : For Eberspacher, Webasto and Propex heaters etc. 1.Warm Air Ducting Material : Aluminum foil Color : Black Length : 50-100cm/19.68-39.37in Diameter : 75mm/2.95in Application : for Webasto, Dometic, Propex etc. Features : Mainly used for 2KW diesel air heaters. Hot & cold, air ducting for diesel heater Webasto, Domestic, Propex etc. part number : 102114340000 or 292100010025 or 10025 2.Heater Ducting Vent Outlet Material : Plastic Color : Black Height : 80mm/3.15in Diameter : 75mm/2.95in Other part number : 20.1577.89.06.00, 201577890600, 398551, 398.551 Fitment : For Eberspacher, Webasto, Propex and other blown air heater systems. Features : Suitable for 75mm warm air ducting. Front fascia is removable to enable access to screw holes for correct fitment. 3.Ducting Y Branch Material : Plastic Color : Black Diameter : 75mm/2.95in For 75mm diameter ducting. Initial installation. Additional outlet to an existing system. Efficiently divide the flow of warm air from your heater. Use with Eberspacher, Webasto and also Propex heaters. 4.Hose Clip Material : metal Color : chrome Diameter : 75mm/2.95in Fitment : for Eberspacher, Webasto,Propex heater warm air ducting Package includes: 2 x Heater Duct 2 x Vent Outlet 1 x Ducting Y Branch 4 x House Clip