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Piston 1st Stage W/ Non-Adj 2nd Stage
R640 is a simple yet solid built, this regulator delivers constant gas flow with good breathing.
First stage features:
・ New R6 high flow in-line piston first stage delivers superiority in performance and reliability
・ 3 low pressure ports and 1 high pressure port
・ Compact and robust
Second stage features:
・ Lightweight – reduces jaw fatigue during a dive.
・ Left or right hose configuration enabled to suit special dive applications
・ Equipped with NEW jaw-saving hypoallergenic silicone mouthpiece with long biting tabs to save energy!