Replacement Filter Cover, Inlet Size 3 in, Inlet Type NPT, Inlet Gender Male, Filter Rating 25 micron, Filtration Efficiency 80 Percent, Compatible Manufacturer Part Number VFC800A-5W, VFC800A-7W, VFC904A-5W, VFC904A-7W, VFD6D, VFD8, VFD9, Compatible Grainger Part Number 5F243, 5JEP6, 5JEP7, 5Z189, 6JD30, 6JD31, 6JD32, For Use With Regenerative Blowers. This item has been restricted from sale in the following state (s): []