Used Mares Ultra 62X Dive RegulatorThe Ultra 62X scuba diving regulator is made of lightweight technopolymer and weighs just 190g. It incorporates a combination of technologies to ensure maximum breathing comfort. The compact 62X first stage boasts innovative features such as AST (Auto Sealing Technology), a pneumatic system that protects against water entering the first stage, and the proven Natural DFC System (Dynamic Flow Control), which ensures high, constant airflow at any depth.