AST SRX-CA120 .... % Oxygen Sensor Hammerhead rebreather it provides high levels of

it provides high levels of protection from sharp pointed objects and abrasion

Depending on the amount inhaled

or otherwise dispose of Manufacturer’s Products or related technical information to military end-users

Holes are standard 11 inch center

AST SRX-CA120 .... % Oxygen Sensor Hammerhead rebreather it provides high levels ofREPLACEMENT SENSOR FOR . Analytical Industries Inc., GPR 11 120 % O2 Sensor SRX CA120 Oxygen Sensor is a drop in replacement to Analytical Industries Model GPR 11 120 % Oxygen Sensor. This sensor has samilar characteristics as of SRX CA32 but lower signal output, making it suitable for measuring high levels of oxygen, up to 100% oxygen. Sensor is designed, developed and manufactured in the USA. Datasheet (PDF)