AR30-F03BG-A - 

Modular Air Regulator AR20 - AR40
Modular air regulators from SMC. The modular air regulators in the AR series are now more efficient saving you energy. The AR series has a modular design with improved installlation using a new bracket and spacer combination.The modular design allows connection with other parts in the AC FRL range allowing you to select which components are most suitable for your needs.