Quick Connectors® B Fitting Half, Oxygen, Female Plug ORS NASCO [Nom] 4 1 2 in Grit 40 [Nom] 4 1 2 in Grit 40 Hazmat NO Jan San Catalog NO Prop 65 YES Quantity 1 EA EA Quarterly Flier NO Special Order NO Speed [Max] 13300 RPM Stock Status In Stock Style Z SGP Curve Steelox Special Line SGP Type Medium Radial (Type PFR) Welding Catalog NO Genuine ESAB® clear front cover lens for your ESAB® Sentinel™ A50 auto darkening welding helmet Spherical front cover replacement lens Sweeping design across the helmet allows more natural light to get in when welders are in grind mode and safe handling Built in check valves prevent the reverse flow of gases Click in and click out design eliminates time consuming hand threading and ensures pressure tight connections Color coded for fast