The FAMCO UFH Plastic Wall Vent with Hood and Damper is made of High Density Polyethylene (HDP) plastic, giving it durability and longevity. It is designed with UV inhibitors to give it greater stability in all weather conditions and features a full 1 inch collar for secure pipe attachment. This vent also includes heavy-duty borders for secure and durable mounting. The UFH Vent is used for exhaust and dryer venting. The FAMCO UFH Plastic Wall Vent with Hood and Damper come in sizes that can be used on pipes measuring 3 inch or 4 inch, and can be purchased with or without pipe in some models. Available colors are white and brown. The FAMCO Plastic Wall Vents are manufactured by Famco in the United States and are protected by our 1-year warranty that covers product defects and workmanship. If you have questions about this vent, you can read the FAQs above or contact us by phone or email.