2016 black PU silicone swimming competition snorkel, diving masks and snorkel set(SK-901)

Quick Details:
Floating Ball: PC
Corrugated Hose: Silicone
Housing: PC+TPR
Mouthpiece: Silicone
Tube: PU

Product Description:
Silicone corrugated hose allows for easy to bend
One way purge valve can drain out the water and CO2
Floating ball: Its dry top has a floating device design that closes the opening while the snorkel submerges under the water, and it re-open s after the snorkel comes back to the surface
Comfortable silicone mouthpiece
Purge valve

Application:Diving and fresh air

Advantages for Snorkel:
Floating ball: Its' drag top has a floating device design that close the opening while the snorkel submerges under the water, and it re-opens after the snorkel come back to the surface.
Tube: keep fresh air in the tube
Soft tube: the shape like whorl, easy to bending and stretch
Single-track valve film: prevent water fast into the tank and prevent dioxide gas in the pipe retention
Double diaphragm: separation fluctuation tank: prevent water directly into the mouth; inhale fresh air unidirectional; Exhaust to hold unidirectional
Discharge membrane: Is used for drainage and eliminate the waste gas.