This Range Downdraft Vent Top Trim, Black is a 30" (76.2 cm) L trim piece that forms a decorative trim along the top edge of the downdraft vent. This trim piece is designed to be used with several brands; check to see if your model is compatible. Installing this accessory will require basic hand tools and novice repair experience. Remember to turn off the appropriate circuit breaker before installing this part. Helpful Tip: For optimum performance of your vent, change the filter every 6 months or when a loss of airflow can be detected.