• High capacity cleaner designed to dissolve dirt, varnish and carbon residue throughout the exhaust system.• The primary function is to clean the oxygen sensor and catalytic converter to optimise performance.• Suitable for use in petrol and diesel vehicles.• Treats 60 to 80L of fuel.High capacity cleaner designed to dissolve dirt, varnish and carbon residue throughout the exhaust system. The primary function is to clean the oxygen sensor and catalytic converter to optimise performance. Suitable for use in petrol and diesel vehicles. Treats 60 to 80L of fuel.• High capacity cleaner designed to dissolve dirt, varnish and carbon residue throughout the exhaust system. • The primary function is to clean the oxygen sensor and catalytic converter to optimise performance. • Suitable for use in petrol and diesel vehicles. • Treats 60 to 80L of fuel. • Model No. CCOS300