For the valued orientated diver with performance in mind, one can not afford to overlook the R640. Simple yet solid built, this regulator delivers constant gas flow with good breathing characteristics.
 
R6 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 

O40 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!