Blower Relief Valve, Vacuum Capabilities Vacuum, Preset Limit 86 in wc, Outside Diameter 2 in, Inlet Size 2 in, Inlet Type NPT, Inlet Gender Female, Compatible Manufacturer Part Number VFC600A-7W, VFZ601A-5W, VFZ601A-7W, Compatible Grainger Part Number 53WC11, 53WC12, 5Z188, Overall Length 6.25 in. This item has been restricted from sale in the following state (s): []