Andy Sorry for the late reply - don't go to RBW often. The Draeger DSV has been converted to a sidemount pendulum mouthpience by blocking one side and taking the valves out of the other side. Will shortly be updating my website with details of my newer units.
hi duncan. Do you have any more pics of the drager dsv converted to sidemouth use. can see the plug at one end would lke to see what the pod is on the inhale side. regards andy