??Diving Mask and Breathing Tube Set??The snorkel mask + breathing tube is the most common snorkeling gear for adults, suitable for every snorkeling and swimming enthusiast. The diving mask ribbed silicon face seal molds to fit the faces of most men, women, youth and juniors, which is very suitable for deep free diving. The mask and breathing tube are used together during snorkeling and diving, while the mask can be used alone during swimming. .
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