18233 BLOWGUN, SAFETY | Increased performance and yet still meets OSHA regulation 100-1 for 30 psi "dead head" pressure. Features vented nozzle to relieve the compressed air should the nozzle become plugged or accidentally obstructed. Heavy-duty die-cast body. Complete with hang-up hook and 1/4 in NPT female inlet. Inlet pressure of 150 psi.