Kit Of Screw Filter For Levelling Valve Exhaust Cap Suitable For Knorr Bremse Consist Of 03 Items . (01). Screw Filter To Part No. A81177-01 No. (02) Toothed Ring To Part No. A62331/6-01 No. (03) Wire Mes H Filter To Part No. A40108-01 No. [ Warranty Period: 30 Months After The Date Of Delivery ] ]