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Helps prevent second stage pulling from mouth when Head Turns.
Increased comfort of second stage regulator.
360 swivel scuba diving dive regulator adaptor with o-rings and steel ball.
Made of chrome plated marine grade brass,durable and corrosion resistant.
D DOLITY Water Sports Scuba Diving Dive Regulator Octopus Hose Connector for 2nd Stage B07G8DS557