XS Scuba Isolation PRO ManifoldXS Scuba Isolation PRO Manifold. Features: PRO DIN Yoke with removable spin out insert XS Scuba Safety Handwheel Know at a glance that your valve is 100% open 1. 5 rotations of the handwheel from fully on to fully off Center to center distance: 215 mm (8. 46) + 5 mm (0. 2) 3 4 14 NPSM standard inlet threads On Off seat built from high strength brass with nylon seat and Teflon plated for years of smooth operation One piece safety assembly protected