The Apeks TEK3 RH 1st Stage is a compact and streamlined regulator designed for serious technical divers. Its smaller size and lighter weight make it ideal for sidemount or twinset configurations, reducing bulk and improving comfort. This first stage boasts a high-performance, over-balanced diaphragm design, ensuring consistent gas delivery regardless of depth or tank pressure. With three low-pressure ports and one high-pressure port, it offers versatile hose routing options. Built to withstand the rigours of demanding dives, the TEK3 RH 1st Stage provides reliable and consistent performance when you need it most.