ENVOY II FIRST STAGE FEATURES:

• An economical, yet top-performing regulator 
• High Performance Porting
• Conical Precision HP valve
• Unbalanced Diaphragm
• Yoke or DIN inlet available
• 5 Low Pressure Ports (3/8”-24 UNF)
• 2 High Pressure Ports (7/16”-20 UNF)
• Weight 1.88 lbs (.89 kg)
• Intermediate Pressure: 135-150 psi (9-10 bar)

ENVOY II SECOND STAGE FEATURES:

• Downstream valve
• Venturi lever gives you free-flowing control and helps deliver smooth, reliable breathing
• Unbalanced Diaphragm
• Weight: .42 lb. (.26 kg) (w/o hose)
• Hose Length: 30 in. (.76 m)

First Stage Materials: 

• Body: Brass
• O-Rings: Buna-N
• Seat: Advanced Polymer
• HP Valve: Stainless Steel 

Second Stage Materials:

• Cover: Flexible thermoplastic
• Case: Thermoplastic
• Poppet Seat: Elastomer
• O-rings: Buna-N

Diaphragm:

• Exhaust Valve: Elastomer
• Mouthpiece: Silicone