Milton S-184 Turbo Siphon Spray Cleaning Blow Gun - 225 Max PSI EASY CLEANING: Compressed air + pressurized liquid blows away mess/soiled surfaces, applies coatings. INCLUDES: Durable aluminum air blow gun, adjustable air/liquid mix knob, and 5 feet of siphon tubing. VERSATILE: For truck drivers, workshops, home garages, heavy duty industrial + farming applications. AIR FLOW: 10 cubic ft. per minute, 1/4" (F) national pipe thread air inlet. MAX PSI: Maximum working pressure of 225 pounds per square inch.