This is the OTS Guardian Full Face Mask with EM-OTS2 Hot Mic Dual Earphone Communication Device

Features:

• Removable 2nd stage for easy cleaning and storage (can't be used w/o mask)
• Made of a one-piece, non-rigid silicone skirt combined with injection-molded,
  high-impact, glass-filled ABS plastic frame and regulator housing
• A double face seal and slightly smaller oral nasal cavity to fit most faces
• Equalization occurs through a nose block.
• Air flow is directed up over the visor to eliminate fogging and through one-way
  valves in the oral nasal pocket to reduce CO2 retention.
• 2nd stage comes off the right shoulder and uses a standard LP hose
• Includes a communications port for easy installation of a Buddy Phone or
  ear/microphone assembly to connect an OTS Diver Communications Unit such as the
  Aquacom SSB-2010
• Includes: EM-OTS2 Communication device (installed), OTS' Ambient Breathing Valve, Mask Bag, and LP hose

The Guardian line of Full-Face Masks (FFMs) is OTS' most recent innovation. Designed to meet the demanding needs of today's Commercial/Professional Diver, it leverages the best features found on other FFMs with unique features designed by OTS. The Guardian FFM comes in the following color combinations (skirt/hardware): black/black, black/blue, black/red, black/pink, blue/black, and yellow/black.