6XDB 42mm Preheater Hose Air Inlet Pipe Drain + Car Heater Duct Vent Warm Outlet for Heaters Foil Heater Pipe Ducting Hose 6XDB 42mm Preheater Hose Air Inlet Pipe Drain + Car Heater Duct Vent Warm Outlet for Heaters Foil Heater Pipe Ducting Hose. Sale price : $27.02 Category : Automobiles, Parts & Accessories