Other products by IST
SKU: 56121
Reg. Price: $250.00
Our Price: $162.45
on orders of $25.00 or more.
Please review our shipping policies for details and restrictions.


IST R640 Piston 1st Stage with non-adjust 2nd stage

For the valued orientated diver with performance in mind, one can not afford to overlook the new R-640. Simple yet solid built, this regulator delivers constant gas flow with good breathing characteristics.

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!
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