GULL Snorkel Diving Snorkel Super Bullet Black Silicone Blue ★The ultimate model that brings together all of GULL technology ★Performs tough and precise functions that won't yield even in harsh conditions. ★A high-spec model that reigns supreme in GULL snorkels Stabilizer pipe prevents shaking caused by water resistance. One-touch holder for easy attachment and detachment. Movable mouthpiece that allows for free angle adjustment. Twin purge valve maximizes drainage efficiency. Please purchase only if you understand that this is a used item. Diving