MK25 EVO FIRST STAGE

scubapro mk25 evo first stage: There's no better example of supremely solid first stage performance than the MK25. This air-balanced flow-through piston design provides consistent and effortless airflow regardless of depth, tank pressure, or breathing rate

DS4 1st STAGE DIN

Dry sealed system suitable for cold water diving. Specially designed for technical diving first stage.No turret, 4 MP port 3/8 UNF, 1 HP port 7/16 UNF