Manifold Block w/Scuba Adapter,Switch block, 300-145, Kirby Morgan

300-145 Manifold Block w/Scuba Adapter. The Manifold Block Assembly provides a control point for your bailout supply when using a light weight full face mask like the EXO Mask. It is equipped with four low pressure outlets and a check valve. It is available with a 9/16" O2 fitting or a #6 JIC fitting, or a standard SCUBA fitting.