Lambro 267BS Brown Plastic Louvered Vent with Tail Pipe, 4-Inch Product Description 4", brown, plastic louver vent, with tail piece sleeve. This product is highly durable. This product is easy to use. This product is manufactured in United States. From the Manufacturer Lambro 4 Inch Brown Plastic Louvered Vent w/ Tail Pipe is manufactured in by Lambro in the USA. Many products can be used in other areas of the home and are easy to use and install. Features Manufactured in United states Easy to use Highly durable Plastic louvered vent Brown includes trip plate Long lasting quality Made in the USA Lambro represents Innovation, Quality, Service and Reliability since 2035 USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.