AutomationDirect's F-Series stainless steel air cylinders have a 250 psi operating pressure and are constructed with corrosion resistant 300 series stainless steel and Teflon-based rod and pivot bushings. The Urethane rod wiper keeps wash down solutions out of the cylinder. The series includes bore sizes from ¾-inch to two inches and stroke lengths from ½-in. to 18 in. Models feature nose, rear pivot and double-end mounting options and are also available with magnetic piston for position indication.