Series CJ2 miniature clean series cylinders available in double acting styles offer stainless steel tubing and stainless steel rods. The series is available in bore sizes 6, 10, 16mm and stroke lengths from 15 to 200mm.  Mounting options include basic, foot, and front flange. Series CJ2 is auto switch capable.

The CUJ miniature free mount, clean room series is a space saving compact cylinder. It is available in 6mm to 10mm bore sizes with stroke lengths up to 20mm. The CUJ series is double acting and auto switch capable.

SMC's CQS clean room, compact air cylinder has 4 bore sizes. Standard strokes range from 5 to 50mm.   10/11-C(D)QS series, available for clean environment, prevents particle generation in a clean room. 21/22-C(D)QS series offers the same structure as the clean series, and are for the environment in which the use of copper, fluorine and silicon are restricted. The CDQS clean series is auto switch capable.

The series CU free mount, clean room cylinder saves space and allows direct and precise mounting. It is available in 6mm to 25mm bore sizes with stroke lengths up to 50mm. The CU series is a single rod, single acting cylinder with rubber bumpers as standard, and is auto switch capable.