Trion 35 Center pan for Trion 707, 707sm, 707tw, 707u. Overall measures 10½ diameter, 2¼ inch height.
Includes (4) rubber mounting feet and (1) grommet for the motor wire hole.
The mounting feet are fasten with glue (not included).
See the instructions for installing the impeller with a 1/16" gap: Trion Impeller Installation (1 page, 70k pdf).