Stainless-steel cylinders convert pneumatic or hydraulic pressure into mechanical linear motion. The cylinders from Allenair Corp., Mineola, N.Y., are available in grades 303 or 316 with mounting hardware. They come in bore sizes from 22 to 101 mm with strokes ranging from 4 to 3,300 mm. The cylinders are available in a variety of styles including single and double ended, back to back, tandem, and multiposition. The corrosion-resistant cylinders are suitable for chemical environments and washdown situations.