CREST AC-20C adjustable balanced spare second stage (tube included)

Balanced design provides you with the smoothest airflow

Maintains a natural and smooth breathing experience

Impedance adjustment knob is made of chrome-plated brass, durable and corrosion-resistant

Adjustable suction impedance range: 1.0 ~ 1.8 CIW

The second stage AC-20 series continues the unique modern aesthetics and lightweight structural design of CREST regulators.

The main second stage is also equipped with a universal rotary joint, allowing you to feel the freedom of natural breathing underwater.

• The regulator core is made of stainless steel with metallic chromium coating, which is durable and corrosion-resistant.
• Pneumatic balancing valve
• The main appearance is made of ABS material
• Ultra-low suction impedance 1.0 ~ 1.2 CIW
• Adjustable suction impedance range: 1.0 ~ 1.8 CIW
• Wen-style adjustment knob can switch between Dive and Pre-Dive modes
• Hose length: 36 inches
• Weight: 245 g