Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.