HOTDIVE
ST4 Twinset Dive Regulator Set
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01. Info
Everything you need to put a set of doubles in the water. The ST4 twinset package is built around the balanced diaphragm first stage and T4 balanced adjustable second stage: two first stages — one for each post of your manifold — plus two second stages and a pressure gauge, pre-configured with twinset-length hoses. The primary rides a 2.1 m long hose for clean donation, the backup sits on a 0.75 m necklace-length hose, and the SPG hangs on a 60 cm HP hose for standard left-hip routing. Unbox it, fit it to your manifold, and it is ready for the kind of diving doubles were made for.
02. Features
- Balanced diaphragm first stages keep the valve mechanism isolated from water and silt
- Swivel turrets keep long-hose and backup routing clean on the manifold
- T4 balanced adjustable second stages with diver-adjustable inhalation effort
- Complete two-post manifold setup — no extra hoses or adapters to source
- 2.1 m LP long hose primary for out-of-air donation; 0.75 m LP hose for the necklace backup
- SPG on a 60 cm HP hose for standard technical routing
- Marine-grade stainless steel construction throughout
03. The Set Includes
- 2 × first stage (left and right post)
- 2 × second stage (long-hose primary + necklace backup)
- 1 × submersible pressure gauge
- LP hoses: 0.75 m and 2.1 m (braided or rubber); HP hose: 60 cm