SGCB High pressure air pulse car cleaning gun: Flexible pipe engine cleaning gun is rotating type, new one design for inner cracks of engine and other difficult cleaning Conner, not trouble to stubborn dirt any more SGCB tornado air cleaning gun:has flexible cleaning pipe,360degree rotating nozzle + curved cleaning pipe, it is better to clean blind side. SGCB tornado cleaning gun with 60-90PSI , match air hose reel, or air compressor to work.