SI TECH Exhaust Valves
Exhaust Valve from Si Tech is a high flow valve with star lid and has been designed to optimise buoyancy control which essentially increases the divers' safety.
Streamline P-Valve Halcyon
Many divers credit Halcyon's Streamline P-Valve among their best equipment purchases; the enhanced comfort and peace of mind redefine one’s diving experience.
Many divers credit Halcyon's streamline P-valve as being among their best equipment purchases; the...