EPH Suction Half-Arm Series is derived from and structurally similar with Airbravo EP but used where a simpler mobility is required.It supports structure external to the suction pipe (patented), is completely spring balanced and free of any components which could obstruct the suction flow.The revolving base plate rests on self lubricating washers and can rotate at 360o to allow optimum positioning of the arm in relation to the source of pollution emission.The EPH Half-Arm Series and EP arm series have same versions and variants and information regarding both can be found in the EP arm section.