The MK17 is a high performance, balanced diaphragm first stage engineered especially for cold water or harsh environments. The MK17 is enviromentally sealed so neither water nor pollution can enter the inner mechanism. Full-metal (chrome plated marine grade brass) body and components and a dry ambient pressure chamber prevent it from freezing, ensuring trouble free operation even in coldest conditions.

• Balanced, diaphragm controlled, high performance First Stage

• Dry Seal Chamber

• Thermal Insulating System (T.I.S.)

• 4 LP (2 High-Flow-Port) and Dual HP Ports

• Din weight - 618g

• Yoke weight - 830g