Whirlpool Venting Kit (W10748976)This Range Ductless Downdraft Vent Kit, Stainless Steel can be used when venting your range when the outside is either not possible or not desirable in the kitchen. This kit contains a filter housing that attaches to the blower under the unit; the filter cleans the air before it re enters the home. Check to see if your cooktops model number is compatible. Size: 39 1 2" (100. 3 cm) L x 16" (40. 6 cm) W x 11 1 2" (29. 2 cm) H. Installing this accessory