AES Industries 346 Air Engine Cleaning Gun LARGE 1/4" diameter spray nozzle is perfect for degreasing engines and blasting away stuck-on dirt and grime. BUILT-IN fully adjustable flow control knobs which allow you to separately control and regulate the air flow and fluid flow while in use. MULTIPLE USES - Can be used as an air only blow gun by simply shutting off the fluid inlet which will allow you to dry large areas quickly. INCLUDES a 3/8" ID by 4 foot long clear acrylic fluid pick-up hose for spraying a wide range of soaps, solvents and degreasing agents. SPECIFICATIONS: Air Inlet: 1/4" NPT; Working Air Pressure: 50 - 60 PSI; Average Air Consumption: 0.5 - 3.1 CFM