Hollis Over Pressure Relief Valve for First Stage Aqua Sphere Kayenne Jr Blue Lens or even just a tree

or even just a tree limb around a campsite

Between the double thumb lever and the multi-stage shutter release is an ISO lever allowing quick changes to sensitivity

(Fin Assembly Kit)

ensures a day on and under the water unscathed

the transmitter is permanently paired and will not accidentally pair with other computers

Hollis Over Pressure Relief Valve for First Stage Aqua Sphere Kayenne Jr Blue Lens or even just a treeTechnical Divers need redundant safety back ups on most all their equipment to assure the safest dive techniques allowed. A First Stage Regulator should work well when it is maintained properly, yet if it does malfunction added safety features can make the difference between a controlled emergency and a diving accident. Incorporating a safety relief valve on your First Stage regulator allow an over pressurization of the 2nd Stage Hose nearly