IJU1154 Features: * L-style couplers are push type * L-style couplers are steel, plated to resist rust * Maximum inlet pressure: 300 PSI * Maximum temperature: 250 degrees F * Air flow: 32 SCFM L-style Lincoln Interchange Series 1/4" basic size. * 1/4"""" NPT Female L-Style Coupler 2 Pack Warranty: * 1 yr warranty on material and workmanship