Tecline R4 TEC2 O2 + SPG Stage/Deco Regulator Set tecline The Donut 17 Special Edition

The Donut 17 Special Edition wing is made for cave or technical divers who use a twinset for redundancy

‘out of the box’

Check out our wetnotes on how to correctly setup and size a DIR harness for your backplate and wing system

This design is very popular for stage/deco tanks as hoses can be stored neatly and deployed

The wing also comes with a detachable integrated single tank stabiliser

Tecline R4 TEC2 O2 + SPG Stage/Deco Regulator Set tecline The Donut 17 Special EditionThe Tecline R4 TEC2 O2 regulators have excellent specifications, performing well in both laboratory testing and real world diving conditions, and are superb performing workhorses, that deliver unparalleled reliability. The R4 TEC first stage regulator features a balanced diaphragm design with a dry chamber to environmentally seal the diaphragm and prevent freezing in cold conditions and also protect the working diaphragm in heavily silted water. These