This is a used OEM Scotsman water pump with a model number of 12-2986-21 and a GPPS-5SC-1 designation. It has been tested and is in working condition. The pump is grey in color and made of metal. It measures 6 inches in height, 14 inches in length, and 6 inches in width. This water pump is compatible with Scotsman ice machines and is a necessary accessory for them to function properly.