The open-bottom knock chutes allow for under counter grounds disposal. All knock chutes are made from heavy-duty stainless steel and feature a welded metal bar for strong sides.

Each knock chute has a replaceable rubber bar cover and an edge gasket made of molded rubber. These knock chutes are designed for commercial use.

Square Knock Chute cutout dimensions are 5 7/16" x 5 15/16" (the gasket adds .5" of length).

Round Knock Chute cutout dimension is 6.25" across (the gasket adds .5" of length)

These are the interior dimensions. We recommend that you receive the product and measure before cutting your counter.