Diaphragm Balanced 300 BAR/4500 PSI DIN Connection, Metal DIN Hand-Wheel Connector / 232 BAR YOKE Connector Material: Durable and Corrosion Resistant, Marine-Grade Chrome Plated Brass 4 LP 3/8" Threaded Ports 2 HP 7/16“ Threaded Port Zirconia PVD coating over Chrome plating CE Certified , INPP Notified body N° 0078 ,>10°C Optional O2 clean version with M26 DIN adapter 超平衡橫膈膜式一級頭(環境密封設計，抗低溫與汙染水域) 可選購DIN或是YOKE氣瓶接頭 耐候防腐遠洋船事等級黃銅材料輔以軍事化等級鍍鉻處理 四組中壓孔 兩組高壓孔 可選購氧化鋯陶瓷電鍍 可選購第五孔中壓孔套件 可選購高氧套件，適氧達99.6%純度氧氣