D3 First Stage The D3 first stage is HOG’s finest diaphragm regulator to date. Taking all the best features of both the D1 and D2 and adding an improvement in performance. They have produced a new first stage that can meet all the needs and desires of the most demanding exploration focused tech diver, while still providing a value that exceeds the competition. 2013 Scuba Labs Testers’ Choice Choose 300 Bar DIN or Yoke Connections Environmentally sealed for contaminated or cold water use Constructed of both Trivalent-Chrome and Black Zinc Chromate Plated Brass High Performance Low Profile Balanced Diaphragm 1st Stage 5 LP Hose Ports on compact swivel, 2 HP Hose Ports Specifications: Size: 9.0cm tall x 3.75cm wide x 7.75cm deep (Yoke Sealed Unit) Weight: 1lb 9.6oz / .73kg Uses Annual Service Kit: HOG0395
