Made from type 304 stainless steel with highly polished finish. Predrilled with six mounting holes. All welded construction. 4-3/8" W x 11-3/8" L x 3/4" H. 7/8" neck. Installation hole size 3-1/4" x 10-1/4". Adapts to 3" or 4" ventilation systems.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov