MAIN PAGE > МASKS AND TUBE'S > CRESSI TUBES 0.00 € Kappa Ultra Dry ES258520 Special snorkel with a special patented “Aquastop” valve at the top that keeps water out, making breathing easier and more natural. The tube has an expanded elliptical shape in order to increase comfort and air-delivery capacity. Purge valve near the mouthpiece. Distinguished from the Alpha Dry version by its anatomically curved shape. p. Price: 19.8 €