A smooth breather in all conditions
The R-860 holds the top spot in IST Sports’ Pro Line of scuba regulators. Its R-8 first stage is a balanced diaphragm design that’s available with an optional environmental kit that prevents freezing when diving in cold-water conditions. There are two high pressure ports, and four intermediate ports mounted on a swivel turret for easy hose routing. On breathing machine simulator tests, the first stage is one of the best ever tested. The O-60 second stage is equipped with a metal balancing tube and a pair of user adjustments: the dive/pre-dive thumb lever detunes the reg to minimize freeflows on the surface, and the breathing resistance knob lets you regulate airflow as you descend to deeper depths. Bottom line: The R-860 is designed for divers of all skill levels, and for water conditions ranging from the tropics to the arctic.
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