Ocean Reef Space Extender Full Face Mask (Multiple Colours) 2nd stage The ST1 offers superior corrosion-resistance

The ST1 offers superior corrosion-resistance and does not require Chrome or Nickel-plating processes that create environmental concerns

Won't Get Funky" as w/Sealed Compartment Designs

Secondary Display (COMPUTER)

Huge Display Area

Pointed tip for prying and gouging

Ocean Reef Space Extender Full Face Mask (Multiple Colours) 2nd stage The ST1 offers superior corrosion-resistanceOverview The Space Extender is the mask for the avid diver, advanced adventurer, and diving professional. Coldwater certified, balanced, on demand, integrated regulator. Polycarbonate visor (siloxane double coated for scratch resistance). Directional exhaust valve (4 positions). Dive pre dive switch. Includes the Extender Kit (frame + accessories). SAV (Surface Air Valve) included. This IDM has it all right off the bat. A fully customizable product