⢠made of Sand-blasted forged brass.⢠High-performance balanced diaphragm design: The Intermediate Pressure is always constant during the dive at any depth.⢠ICE Kit: fully isolates all moving parts from contact with the water, ensuring excellent thermal protection in cold water.⢠Simple and fast maintenance.⢠HP ports: 2⢠LP ports: 4⢠Replaceble stainlees-steel Valve Seat: designed to offer great safety, it can be easily disassembled to make maintenance easy.