Safety blow gun with 15 angled extension is OSHA compliant as it limits pressure to 30 PSI when dead ended. Offers a maximum of 150 PSI on regulated compressed air lines. Blow gun offers 4.5 SCFM at 100 PSI. This extension is perfect for those hard to reach places. Has a 1/4 NPT air inlet and a nozzle thread size of 1/2 - 27. Product Features:1/4 national pipe thread4.5 standard cubic feet per minute at 100 pounds per square inchMaximum pressure of 150 pounds per square inchClassified by UL to OSHA standards 29CFR1910.95 and 29CFR1910.242(b)