Panel Mount Flange, Material Plastic, Includes Hex Wrench, (3) Mounting Screws, (3) Pre-Installed Metal Set Screws, For Use With Dwyer 4 1/2 in Diameter Pressure Gauges, Dwyer Digimag Digital Differential Pressure Gauges, Dwyer Magnehelic Differential Pressure Gauges, Compatible Brand and Series Dwyer Digimag DM-1000; Dwyer Magnehelic 2000; Dwyer Magnehelic 605, Accessory Type Panel Mount Flange, Features 4-1/2 in dia. This item has been restricted from sale in the following state (s): []