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breather2 Snorkel Lap Swimming Swimmer Training Diving Snorkeling Comfortable Mouthpiece One-Way Purge Valve for Pool Open white, black, pink, blue - n\\c
n\\c
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UPC
797444827347
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Fresh air: oxygen flows in the top & Co2 expels out the bottom No water leakage: no water comes in the top vents, only air, due to 2+1 unidirectional ventilation technology designed by yelone No water leakage: no water comes in the top vents, only air, due to 2+1 unidirectional ventilation technology designed by yelone Events:US at (Triathlon) legal (unless otherwise deemed by race director) more suitable:Open water swimming for freestyle, breast, butterfly, snorkelingand side stroke
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