Features:

• 8515K SK100: Second stage with a 27¡¨ black hose.
• Balanced design for super smooth breathing performance and reliability.
• Adjustable inhalation effort with knob, allows diver to customize inhalation effort.
• Simple venturi switch on top for easy Dive/Pre-dive adjustment to prevent free-flow during shore entries or long surface swims.
• Comfortable black silicone mouthpiece reduces overall jaw fatigue during the dive.
• Pre-positioned front cover ring holes which ensure ease of serviceability after heavy use.
• Specially engineered purge shapes and vents prevent diaphragm surge in currents.
• Side-flow design prevents bubbles from interfering with field of vision.
• Integrated purge button.
• Anodized aluminum cover ring for RK 2nd stage.
• Ideal choice for the most rugged of diving conditions.
• Weight (without hose): 189g
• Dimensions (front profile): 6.8 cm (approx.2.67¡¨)
• Factory set inhalation effort: 1.1 CIW

Description:

This Balanced design provides ultra-smooth breathing performance and reliability. The air flow knob can be adjusted, and the inhalation can be adjusted according to the diver¡¦s habits. The airflow guide is used for diving/pre-diving adjustment to prevent Free air leakage when entering the water or swimming for a long time on the surface. The equipped front frame ring hole can be easily cleaned and maintained after repeated use. The guide hole design of the exhaust button can prevent free leakage in strong currents or surges. The ergonomic exhaust port prevents air bubbles from interfering with the field of vision.