The New VXF2 2 port solenoid valve for dust collector has added larger port sizes and has added the flange and flange body type. The VXF2 also has a low noise construction with the option of a silencer.? The VXFC controller is dedicated for the VXF2.Used only on VXF2, RoHS compliant, VALVE CONTROLLER, VALVE, VXP/VXR/VXF 2-WAY MEDIA VALVE, 11, VXP/VXR/VXF, 1.36774 lb