Highland by XS Scuba&';s Argon Regulator is a complete regulator system set up specifically for use with argon gas. Highland by XS Scuba Complete Argon Regulator System: Specifically Designed for Dry Suit Inflation Studies Show a 20% Increase in Warmth when Using Argon Stay Warmer Longer when Dry Suit Diving! Regulator: Compact, Low Profile First Stage Fail Safe Flow-By Piston Design Simple and Reliable One High Pressure, Two Low Pressure Ports Factory Set I.P. at 115 to 125 psi (7.9 to 8.6 bars) at 3000 psi (200 bars) Direct Attachment to 200 or 300 bar (3000 to 4350 psi) DIN Connection Marin Grade Brass with Black Finish Includes 22 (55.9 cm) Miflex QD Hose, Black Includes Over Pressure Relief Valve Includes Delrin DIN Cap with Lanyard Pressure Gauge: Mini Tech Gauge Imperial or Metric Readout: 0 to 5,000 psi or 0 to 350 bars Wide 210Adeg Sweep Bright, White Face - Easy to Read Luminescent Gauge Face