Whats in the box:1st Stage, 2nd Stage and LP Hose
MK25 First Stage The MK25 first stage offers a machined, marine-grade chrome plated body and balanced composite/stainless steel piston that would make any diver proud. It demonstrates SCUBAPRO's dedication to quality and creating positive diving experiences. This first stage adapts to external pressure changes and comes standard with the Thermal Insulating System (TIS), which keeps your first stage from freezing up and malfunctioning in cold water conditions. The MK25 has two high-pressure ports and five low-pressure ports.
G250HP Second Stage The G250HP regulator equates to complete breathing comfort for any diving conditions and all types of diver needs. It is a time-tested and reliable classic. This second stage offers many features that will add to the satisfaction of any diver's time underwater, including the user-adjustable inhalation effort control system, a streamlined shape and lightweight size, an ergonomic mouthpiece, and an unrivaled air-balancing system.