The DS4 is the trusted and time proven first stage from the legendary ATX series of regulators. This regulator comes nitrox ready (up to EANx40 out of the box), and can be o2 cleaned for use as a deco regulator. Environmental seal is standard, cold water performance is exceptional. ***2nd stages are not included, this is the first stage only.
Feature
- Connection type: DIN
- Over-balanced diaphragm design
- Environmentally sealed
- Body Type: Cylindrical with environmental dry seal (DS4)
- Number of HP ports: 1 (7/16-inch UNF)
- Number of MP ports: 4 (3/8-inch UNF)
- Environmental Dry Kit Standard
- First stage exterior: Chrome over marine brass
- Coldwater Use: Yes
- Type of second stage: None included - recommend pairing with Apeks 2nd stages
- Overall work of breathing (WOB) scores when combined with properly adjusted Apeks 2nd stages: Avg. 0.85 joules/liter
- Nitrox compatible to 40% O2 when new, out of the box / Can be O2 cleaned to 100%
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