Allenair now offers fully threaded construction ALL STAINLESS STEEL cylinders. Available in 1&1/8, 1&1/2 and 2 inch bores with strokes up to 15 inches. Specifically designed for food/drug processing/conveying equipment or any industry that requires a clean, crevice free design for wash-down, corrosion free or clean room applications. With a full line of options and mounting accessories available for delivery within 1 week from Allenair.