waterproof diving mask waterproof double pipe diving equipment

features: notes made from siloxane, it is waterproof, durable and non-toxic. notes the design of the dual tube separate suction and breathing channels creates air flow away from the main vision to remove the mist and keep you breathing longer. notes install a ball over the pipe to automatically seal the air valve to prevent salt water from entering your mouth. notes diving, swimming and other diving ideas. specifications: class d item: diving mask equipment: siloxane color: rose, white,