The SBV-1 allows a diver to breathe air directly into the Oral/Nasal Cavity of a full-face mask without the risk of CO2 buildup.
The RSV-1 is a modular control valve that allows a diver to switch breathing gas supplies in less than a second.
32" Air Source Hose x 3/8 -24 with ring lock to prevent accidental disconnection
32" Air Source Hose x 3/8 -24
16" Air Source Hose x 3/8 -24 (for SPI-12)