SCUBAPRO - Devil Mask with EZ Strap Snorkelpro Snorkeling Vests Dump Valves should be used

Dump Valves should be used in combination with a SI TECH Exhaust Valve

Type Regulators Weight 0

or 3 O2 cells or fixed PPO2

uninterrupted airflow

This Compact Over-Relief Valve (OPV) is designed to releases pressure in the event of an over pressurization of the first stage regulator

SCUBAPRO - Devil Mask with EZ Strap Snorkelpro Snorkeling Vests Dump Valves should be usedThis updated single lens mask offers excellent field of vision, a durable Ultra Clear lens, and super soft black or white silicone skirts that block out light reflection a huge plus for photographers. The design of the nose pocket makes it easy to equalize while descending. The mask comes with an EZ Open mask strap, and is also compatible with SCUBAPROs line of Comfort Straps. FEATURES: All black version for military use or for divers who dont want