Description Model 25GX single-stage regulator is designed to be the next generation workhorse of the Harris industrial line. It features larger, easy-to-read gauges and an ergonomic adjusting knob that also shields the adjusting mechanism from contaminants. Features High end features for economical price Workhorse of Harris industrial regulator line Ergonomic ABS plastic knob for easy grip and precise adjustment Brass body and chrome-plated zinc bonnet for longer service life Neoprene diaphragm for better pressure control 2.5" Steel dual scale easy-to-read gauges One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination UL® listed Warranty 7 Years Specifications Adjusting Knob ABS plastic Body Brass Bonnet Chrome plated zinc Certification CGA E-4UL® listed Cv 0.17 Delivery Pressure Gauge (PSIG) 200 Delivery Pressure Range (PSIG) 0 - 145 Diaphragm Neoprene Duty Medium to heavy Gauges 2.5" Steel dual scale Inlet Connection CGA 590 Maximum Inlet Pressure (PSIG) 3000 Nozzle Brass Outlet Connection 1/4" NPT (M) Pressure Regulation PSIG/100 PSIG 0.20 Recommended Items/Accessories Steel Gauge Guard - Red (Fuel) - PN 4300238Steel Gauge Guard - Green (Oxygen) - PN 4300239 Seat PTFE Teflon® Supply Pressure Gauge (PSIG) 4000