The FAMCO SDWVCU Hooded Wall Vent in Copper with Screen and Damper can be used for air exhaust applications. This hooded wall vent comes with a 1/8 inch insect screen and a built in damper. Quality constructed with heavy duty 16 ounce Copper. The FAMCO SDWVCU Hooded Wall Vent comes in a range of sizes to fit various ventilation pipes from 3 inch to 12 inch (available sizes may vary). Spec sheet available for download. The FAMCO SDWVCU Hooded Wall Vent is manufactured by Famco in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this hooded wall vent, please refer to the FAQs above or feel free to contact us by phone or email.