Sentinel level 3 full optocon for sale Unit #54 June 2008 but only 75 dive hours Upgraded to full optocon + wireless HP transmitters and CO2 sensor ready (I never used it myself but if you want just put a sensor in) BOV + Poseidon Extreme regulator and first stages + extra long knob for...

FOR SALE Sentinel Expedition with Optocon Around 75 hours use and regularly serviced. The unit is in very good condition and has a host of spares, including counter-lung, all O-rings, basically a full expedition kit. Options include: Full spares kit Silver back cover Bailout shut-off valve...

Sentinel Level 3, unit #108 The elapsed dive time on the machine: 220 hours (Only dived in fresh water) Extras - PC link software - Heavy duty backplate - Off-board gas kit (DIL & O2) - VGM (Variable Gradient Model) VGM - Double set of bottles (O2/DIL) - ArmadilloCCR Sidemount System Price...

Around 50 hours use and regularly serviced. I have really looked after this and have a host of spares, including counter-lung, all O-rings, basically a full expedition kit. It comes with a original and heavy duty backplate. Options include: * Bailout shut-off valve * Mod 3 unit * PC Link...