Prism 2 Tec Scuba diving mask ELASTEK/Glideskin-in trimmable face and neck

ELASTEK/Glideskin-in trimmable face and neck glides nicely over hair

Easy Adjust "Squeeze-to-Adjust" Style Strap Buckles

3/8" Threaded Low-Pressure QD Hose

switchable during a dive

Compact Design 2

Prism 2 Tec Scuba diving mask ELASTEK/Glideskin-in trimmable face and neckThis products Overview 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;