| High Volume Knock Box. This ingenious device fits right over the top of a Rubbermaid® 23 Gallon waste bin and will allow you to knock out those grounds in massive quantities. Rubbermaid® has recently changed the mold for their 22 gallon waste bins. You may need to use a heat gun or hair-dryer to heat up and stretch the corners of the waste bin. Place the knock box in the waste bin as far as you can, turn both components upside down and lay them on a flat surface. Then heat up the corners of the waste bin. When the waste bin cools, the plastic will stretch around the knock box and retain it's new size. Over all dimensions: 20 1/4" L x 11 1/4" W x 2 3/4" H. Cut-out dimensions are not provided. |
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