Radiator Rocket Coil & Line Cleaner is designed to clean cooling coils for radiators, transmission lines, oil and fuel lines, air to air aftercoolers, condensers, evaporators, fluid coolers, and more. The utilizes air pressure and a broom with a removable brush head for access to constrained spaces. FeaturesCooling coils for radiators, trans lines, oil, and fuel lines need daily cleaning in heavy duty work environmentsThe Radiator Rocket is ideal for trailer truck, dump truck, earth moving, and tractor vehiclesDesigned for shop and field useCan be configured in 3 ft. 2 ft. or 1 ft. lengths eliminating need for vehicle jacks or lifts to access buried coilsFour inch air slot for maximum air cleaning volume and pressureRemovable brush head for access to space constrained coilsSpecificationsPower: Air PowerAir Slot: 4 in.Weight: 2 lbs