Gas VALV01I 02 VALV02I Air VALV03I N2O VALV04I N2 VALV05I CASS10V CO2 Third unit , with AFNOR inlet point and pressure switch, with interception valve, overpressure valve, gauge and switch. Available with transducers 4-20 mA. BOX for external installation MANIFOLDS with non-return valve and without interception valve Gas: OXYGEN Manifold for cylinder, included Gas specific color labeling, carpentry, non return valve.