ProEar Pressure Equalization Mask with Watertight Ear Cups
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 diopters from -1.0 to -8.0 in -0.5 decrement.