Milton (S-157) Siphon Spray-Cleaning Blow Gun & Hose Tubing Kit - Made For Use with Liquids - 150 PSI MADE IN THE USA! KIT INCLUDES: Durable air blowgun made for liquids and 8-feet of blue siphon tubing. EASY CLEANING: Compressed air + pressurized liquid blows away dirt, grease, messy soiled surfaces, or applies coatings. 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.