Milton (S-156) Siphon Spray-Cleaning Blow Gun - Made For Use with Liquids - 150 PSI MADE IN THE USA! EASY CLEANING: Compressed air + pressurized liquid blows away mess/soiled surfaces, applies coatings. MULTI-FUNCTION: Lubricate or clean grease out of engine, spray plants, rinse off garage bays, rust-proof tools or shop machinery parts, and more. AIR FLOW SCFM: 14 standard cubic feet per minute @ 100 PSI. 1/4" NPT air inlet. MAX PSI: Maximum working pressure of 150 pounds per square inch.