Pneumatic Damper Actuator, Spring Return, 3 Square Inch Diaphragm, 5-10 PSI Spring Range, Barb Fitting for 1/4" 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 1/4" 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 1/4" 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 1/4" OD Tubing Air Connection, 3" Stroke, 90 Degree Angled Mounting Bracket and Balljoint, 50-140 Degree Temperature Range, 5-95% RH Humidity Range

Pneumatic Damper Actuator, Medium Actuator Force, 3-13 PSI Spring Range, 4" Stroke, Spring Return, 29 PSI Maximum Operating Pressure, 6.6 Square Inch Diaphragm, Dual Barbed Fitting for 5/32" or 1/4" OD Tubing Air Connection, -28-160 Degree Temperature Range, 5-95% RH Humidity Range, Includes Mounting Kit and Fixed External Mounting Bracket with Balljoint