Hollis SMS Mains Rigging KIt NEW a Divemaster can teach and

a Divemaster can teach and issue Snorkeling certifications

The result is the ability to stand up straight with a cylinder that is perfectly vertical

Dual vent valve system: the dual vent valves increase performance by decreasing exhalation resistance

INTERCHANGEABLE MOUTH PIECE tie is easily removed without tools and can be reused to avoid plastic waste

including an underwater compass

Hollis SMS Mains Rigging KIt NEW a Divemaster can teach andHardware to support two side mounted tanks on the SMS100 Harness. Top bolt snap is a safety clip, a redundant point of attachment in addition to the bungee which wraps around the tank valve. This clip connects to the shoulder D ring on both the left and right side of SMS harness. The lower clip is secured using the cam band and tri glides and connects to the appropriate rail on the butt plate. Includes: (2) stainless steel cam bands, (2) stainless