Pneumatic Damper Actuator, Spring Return, 3 Square Inch Diaphragm, 3-8 PSI Spring Range, Barb Fitting for 3/32" OD Tubing Air Connection, 2.4" Stroke, 3/8" Threaded Shaft, 50-140 Degree Temperature Range, 5-95% RH Humidity Range

Pneumatic Damper Actuator, Spring Return, 3 Square Inch Diaphragm, 8-13 PSI Spring Range, Barb Fitting for 3/32" OD Tubing Air Connection, 2.4" Stroke, 3/8" Threaded Shaft, 50-140 Degree Temperature Range, 5-95% RH Humidity Range

Pneumatic Damper Actuator, Spring Return, 3 Square Inch Diaphragm, 5-10 PSI Spring Range, Barb Fitting for 3/32" OD Tubing Air Connection, 2.4" Stroke, 3/8" Threaded Shaft, 50-140 Degree Temperature Range, 5-95% RH Humidity Range