The Apeks DS1 first stage uses an over-balanced diaphragm design which has been environmentally sealed with a dry sealed chamber for excellent cold water performance. The compact design and single medium pressure and high pressure ports makes the Apeks DS1 perfect for stage cylinder use where cold conditions are an important factor.
- Over-balanced diaphragm design
- Dry sealed system suitable for cold water diving.
- 1 MP port 3/8 UNF
- 1 HP port 7/16 UNF