Beveled Tube: Our TUDIVING Front swimming training tube is perfect for when you're training for the swim. The beveled tube mouth adopts a tapered design. This design can better break water, reduce water resistance, and increase swimming speed. The TUDIVING scuba diving snorkel allows you to better focus on swimming postures and strokes, and is suitable for a variety of swimming styles, such as freestyle,backstroke, butterfly, breaststroke, etc.
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