Deflecto Flexible Vinyl Duct, White, 4? x 50? (BH450W) A multiple use product, our 4? diameter flexible vinyl duct can be used for fresh air intakes, bathroom venting and more. White hose compresses from 8? to approximately 30? long. Not recommended for dryer venting. ? Deflecto was founded on innovative, problem solving products. For over a half century, we have built a tradition of discovering and meeting needs with invention and dependable manufacturing. Today, Deflecto is the world?s largest chair mat, bicycle reflector and dryer venting manufacturer and a global leader in sign and literature holders, office workspace accessories and other air distribution products. Features Flexible vinyl duct has a 4? diameter and 50? length Multipurpose vinyl duct is ideal for fresh air intakes, bathroom exhausts and more Flexible for easy installation Compresses to approximately 30? long Not recommended for dryer venting 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.