The Atomic Aquatics ST1 Regulator First Stage is a sealed first stage designed for scuba diving. Its solid 316-grade stainless steel body offers corrosion resistance and durability in saltwater environments. With five ports for flexible hose routing, it supports common gear configurations used in diving and underwater exploration.

This rugged component delivers dependable performance across varying depth and tank pressures. The balanced flow-thru piston design provides stable air flow, helping divers maintain consistent breathing performance in challenging underwater conditions.