Inlet Vacuum Filter, Outside Diameter 14 in, Connection Style Threaded, Inlet Size 3 in, Inlet Type NPT, Inlet Gender Male, Outlet Size 3 in, Outlet Type NPT, Outlet Gender Male, Maximum Air Flow 300 cfm, Type Heavy Duty, Filter Rating 5 micron, Filtration Efficiency 99 Percent, Compatible Manufacturer Part Number VFZ901A-5W, VFZ901A-7W, Compatible Grainger Part Number 2EPR3, 2EPR4