ANTI-BACKFLOW DEVICE AVOIDS THE RISK OF BACKFLOW OF WATER FROM THE HIGH PRESSURE OF THE MACHINE TO THE SOURCE OF DRINKING WATER FROM WHICH IT IS SUPPLIED FOR HUSQVARNA PRESSURE WASHERS SUITABLE FOR MODELS PW235 , PW450 , PW235R , PW350 , PW360 , PW125 , PW345C , PW460 MODEL - CODE: - ORIGINAL CODE: 590 65 95 -01 5906595 01 590 6595 01 590 65 95 01 SR