Smaller and lighter than the S600 but using the same-sized diaphragm, the S620 Ti delivers instant air on demand with super inhalation sensitivity. An air-balanced flow-through piston housed in a chrome-plated brass body provides constant airflow unaffected by depth, tank pressure, or breathing rate. SCUBAPRO’S patented Extended Thermal Insulating System insulates the inner mechanism, improving cold-water resistance without compromising breathing performance. The regulator includes two opposing high-pressure ports that let you position the first stage up or down, along with four high-flow and one axial super-high-flow low-pressure ports. Driven to constantly innovate and improve the diving experience, SCUBAPRO builds flawless equipment for the work, sport, and lifestyle of people whose passion is found below the surface. External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily. Air balanced second stage valve smoothes out the inhalation effort at varying depths and supply pressures. Second stage’s rugged reinforced technopolymer case and front cover with stainless steel frame looks good plus is able to withstand years of aggressive diving. Full titanium barrel is rugged, anti-corrosion and lightweight for long-term reliability. Large diaphragm fits inside a more compact second stage casing for maximum breathing sensitivity.