Difficulty in equalising and the possibility of getting ear infection ?;Solution? The IST ProEar Mask is manufactured to the highest standard and only the best materials are used.;With one-way valve placed inside each tube, air is allowed to travel only from the mask to the ear covers for pressure equalization and water clearance while stopping water from flooding the mask in the unlikely event of flooded Ear Covers.;Benefits: Pressure equalization is easier achieved! Prevents pressure induced ear ache (barotrauma) ;Enhanced underwater hearing and sense of direction Stops dirty / polluted water from entering the ear causing infection

• IST Pro Ear ME-80CB Diving Mask

IST Pro Ear ME-80CB Diving MaskIST Sports