Santi 303 Thermovalve - Apeks Hose Keeper 5 diopter increments and are

5 diopter increments and are interchangeable to fit the right or left side

neoprene and 2 inch webbing

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Santi 303 Thermovalve - Apeks Hose Keeper 5 diopter increments and areDesigned as part of complex SANTI Heating System which consists of such items as heated undersuit or heated vest, SANTI Thermovalve or SANTI Connector and external battery. This configuration allows a diver to use the heating system without any dangers of using the internal battery. Drysuit inflation valve with integrated 12V connector Moveable head provides freedom in optimal and convenient arrangement of the E O cord and the hose Moveable head