SR 450 Single Stage Heavy Duty Regulator, Oxygen, 5 psi to 125 psi Delivery, 3,000 psi Inlet no checkout Mount at point of use Mount at point of use downstream of Motor Guard M 26 60 Filter Removes oil vapor from air using activated carbon The ultimate final filter for plasma cutters and other critical applications Unbreakable™ Technology—steel core eliminates breaking during overstrikes Safety Plate—secures head to handle preventing head dislodging Ergonomic Handle—shaped and thickened for improved comfort and less vibration Non Slip Grip—vulcanized rubber handle for secure grip while striking Lanyard Hole—safely secure hammer to wrist or stationary object Medium to high gas service capacity Single stage design Stem type seat mechanism Delrin® cap bushing for smooth adjustments External self reseating relief valve not designed to protect downstream apparatus