Lightweight, high performance second stage. The ATMOS Sport has many of the high-performance features of the ATMOS Pro with the exception of the 2nd stage adjustment knob and pneumatically balanced valve design . This regulator is ideal for the diver who wants high performance without having to manually adjust the 2nd stage while diving.

• Conventional second stage without diver adjustment

• Adjustable venturi switch

• Nitrox compatible to 40%

• Paired with your choice of the new AT400 Over-Balanced Diaphragm First Stage featuring DVT (Dry Valve Technology)