AST SRZ-CGP-21A .... % Oxygen Sensor rEvo The Universal Light Sock allows

The Universal Light Sock allows you to attach just about any dive light to it whether it be a small diameter light or a canister light head

I put it together in very short time and I am impressed

2" Stainless Steel Sliding D-Ring

Two Inch webbing

These are used and refurbished Expedition O2 Analyzers that have been repaired

AST SRZ-CGP-21A .... % Oxygen Sensor rEvo The Universal Light Sock allowsREPLACEMENT SENSOR FOR . IT Gambert P 21A SRZ CGP 21A Oxygen Sensor is a galvanic type micro fuel cell specific to oxygen. Its innovative design with electro etched sensing cathode provides with extremely smooth sensing surface for excellent signal stability. Proprietary electrolyte formulation offers excellent compatibility with sample gas containing acid gases such as CO2, traces levels of H2S and SO2. Sensor is designed, developed and manufactured