12"x6" Square Riser (For 12"x12" Catch Basin)

The riser for the 12”x12” catch basin screws easily onto the 12”x12” catch basin. Attach the riser onto the catch basin the same way you would for the grate, and screw it together. Screw the plastic grate on top or place the cast iron grate on top, and you’re all set. The 12"x12" square riser is 6" tall.
Includes:

• Four screws (#10x1-1/2” stainless steel square drive)