Mounting plate

The mounting plate was created to mount a fan in a tube coming from the ceiling.Inner holes equidistant from the center of 74.25 mmOuter holes equidistant from the center of 95.45 mmTotal width (square): 150 mmPlate thickness: 4 mmPlate thickness in the central rib: 2 mm (designed to mount a filter)Center circle diameter: 115 mm