Core regulator (1st stage only)Auto Closure Device Prevents corrosive water out of the first stage inlet by automatically closing as the core is removed from the cylinder valve. This prevents internal lubrication from washing away and is safer for higher proportions of oxygen Balanced Diaphragm A balanced diaphragm provides superior, consistent performance Yoke or DIN Available in yoke (3,300psi 232 bar max.) or DIN (4,350psi 300 bar max.) HP MP Ports and "T" Shape 2 HP ports (7

When you only need smaller items

Super-stretch neoprene on the thicker models for maximum comfort

The result is a small but powerful imager with the controls needed for effective manual shooting

makes using the Suunto D5 effortless underwater

Either way

the YS-D3 guide number (GN) and the beam angle are based on measurements taken on land (not underwater)

Our special

strong and durable denier 420

Durable Stainless Steel Construction: Made from high-quality stainless steel

Replace Damaged Cover

The intuitive 3-button menu logic

Ingredients PVC