Apeks US4 First Stage Regulator

The Apeks US4 First Stage regulator is a compact unsealed first stage with four medium pressure ports and one high pressure port. Popularly used with air on optional suit inflation bottles as an alternative suit inflation method.

• Compact unsealed 1st stage
• 4 x 3/8 medium pressure ports
• 1 x high pressure port.
• Adjustable intermediate pressure.