Open Box IST ProEar Pressure Equalization Mask with Watertight Ear Cups - Clear / Black Dive Computers Carry extra gear in easy-access

Carry extra gear in easy-access zippered pockets

Ultra-compact USB interface

The use of a new

Graphic indicator of CNS toxicity level of oxygen

The fin straps have large thumb loops for easy donning and doffing

Open Box IST ProEar Pressure Equalization Mask with Watertight Ear Cups - Clear / Black Dive Computers Carry extra gear in easy-accessPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION Special tube and seal system automatically equalizes ear pressure as diver exhales into mask; Prevents pressure induced ear ache (barotrauma); Enhanced underwater hearing and sense of direction; Watertight ear cups keep water out to keep ears warm and prevent infection; Optical prescription lens option available in