Wilkerson R21 02 000 Compressed Air Regulator Zinc, 1 4 in NPT, 117 cfm, 300 psi Max Op Pressure, Nonrising G0009344 Impact (I) Metatarsal Guard System Impact (I) Metatarsal Guard System Not Applicable Insole Material Polyurethane Insulation Technology Not Applicable Upper Material (PRINT) Leather Puncture Resistant Sole (PRINT) No Maximum Heat Rating (PRINT) 574 Degrees F Maximum Heat Rating 574 Degrees F Chemical Resisting Sole (PRINT) No CSA Standards Met Not Applicable Toe Cap Material Alloy All Leather Upper Yes Insole Technology OrthoLite(R) Liner Technology GORE TEX(R) Metatarsal Guard (PRINT) No Gender (PRINT) Men's Outsole Material (PRINT) Rubber Ninety Degree Heel (PRINT) Yes Construction Cemented Slip Resistance Value Mark II Wet 0 Tip Manufacturer Model Number A 32 For Substance Type Air Flow Regulators 117 cfm Body Material Zinc Series R21 For Fluid Type Air Air Inlet Type NPT Minimum Operating Temperature 32 Degrees F For Substance Type Air Weight 2