The AVENTICS Series ACCU is an economical pneumatic linear actuator line that contains an internal linear resistive transducer; Continuous position monitoring through internal linear resistive transducer (LRT); Bore: 1 1/2", 1-1/16", 2", 2 1/2", 3 1/4", 4", 5", 6", 8"; Operating Environment: Corrosive, Hazardous, Indoor, Outdoor, Washdown