
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 
Clean Series: 11 (Vacuum Suction Type), Magnet: D (Built-in), Bore Size: 25mm, Stroke: 40mm, Rod End Thread: M (Male), Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, Lead Wire or Prewired Connector: L (3m)
Clean Series: Vacuum Suction Type, Magnet: Built-in, Bore Size: 25mm, Stroke: 40mm, Rod End Thread: Male, Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, Lead Wire or Prewired Connector: 3m, Number: -