Hollis Prism 2 Rebreather Counterlung Option:Back Mounted Counterlung w/Petrel (Metric) providing practical line-cutting capability under

providing practical line-cutting capability under water

Designed for practical weight distribution and reliable performance

The soft silicone skirt is both comfortable and durable

SEAC Buddy is the ideal center-mount snorkel for the swimmer who wants to improve his technique

Whether it's your fins

Hollis Prism 2 Rebreather Counterlung Option:Back Mounted Counterlung w/Petrel (Metric) providing practical line-cutting capability underTechnically Focused The PRISM 2 is an electronically or manually controlled, constant PO2, modular, closed circuit diving system. As open circuit (SCUBA) divers, we rely upon filling our lungs with air from a pressurized gas tank with every inhalation and then exhausting that volume of air into the surrounding water with every exhalation. As we descend deeper, the water pressure around us increases, and the volume required to fill our lungs increases;