1st & Second Stage Set!
For the valued orientated diver with performance in mind, one can not afford to overlook the new R-640. Simple yet solidly built, this regulator delivers constant gas flow with good breathing characteristics at depth.
R-640 1st and 2nd Stage:
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!
Full Manufacture's Warranty Included 
