The R1 PRO O2 Regulator has a simple and reliable first stage piston regulator and downstream demand valve second stage regulator. The R1 PRO O2 first stage regulator is a reliable piston construction meeting the demands of CE EN250:2000 for cold water regulators. The regulator has 4 x LP ports and 1 x HP port and is made from marine bronze with smooth chrome finish. The R1 PRO second stage regulator is a simple and reliable demand valve regulator and surprisingly light weight. The R1 PRO is robust, economical, and ready for use with deco gases having a high concentration of O2 (up to 100%). The regulators are colour-coded green to indicate a high concentration of O2. The R1 PRO O2 Regulator set includes: R1 PRO first stage, O2 ready with green DIN wheel R1 PRO second, O2 ready with green purge cover 100cm braided hose, green
