Our attractive Louvered Ventilators are weatherproof and easy to install. Built with injection-molded ABS plastic, these ventilators are durable and keep unwanted elements out while allowing air to pass through. Drilled for #8 FH screws and backed by a one year warranty. Specifications Type: Louvered Material: Injection-molded ABS plastic Dimensions: 2 5/8”W x 17 1/2"L Cutout Size: 1 7/8”W x 15 1/2"L Warranty: One year