TDI - Dive Rite O2ptima Chestmount ("Choptima") CCR Crossover Course Complete all course requirements efficiently

Complete all course requirements efficiently

Beam: 4 degrees

Enter and descent

It has a large 2

The QRM provides simple

TDI - Dive Rite O2ptima Chestmount ("Choptima") CCR Crossover Course Complete all course requirements efficientlyIn our opinion of the Dive Rite Chest Mount CCR is the most versatile eCCR on the market! The CM O2ptima has been making waves in the CCR community. We offer training courses from entry level to advanced mixed gas and everything in between. Including the CM CCR crossover for divers that are already certified on other rebreather units. The "ChO2ptima" is a big machine in a small package. It can be configured based on the type of diving you are