ASQ530F-03-10S SMC AIR SAVING VALVE BRAND NEW can reduce air consumption by 25%. The PFC control valve has a pressure adjustment and speed control function.The QFC control valve offers a high speed exhaust and cylinder speedcontrol function. Series ASR/ASQ with one-touch fitting (Pressure/Flow valve),can reduce air consumption by 40%. The pressure valve has a regulator withcheck valve, plus speed controller. The flow valve offers a quick supply andexhaust valve, plus a speed controller. U4