Broan-NuTone Available NuTone WVK2A Flexible Wall Ducting Kit for Ventilation Fans, 4-Inch Upgrading your home's exhaust fans doesn't have to be difficult with Broan-NuTone's Flexible Wall Ducting Kit. This kit contains everything you need to duct your fan. It includes 5-feet of 4" flexible ducting, a 4" diameter metal duct connector, zip ties, and a 4" to 3" reducer so you have everything you need to complete the installation. This kit includes a white polymeric wall cap to cleanly finish off the installation for your convenience. These items are engineered with resin material for impact and UV-resistance to ensure lasting use. This kit is not for use with dryers. Upgrade your home today with Broan-NuTone's Flexible Wall Ducting Kit! Features DUCTING KIT: 9-piece kit includes everything you'll need for replacing your exhaust fan's ducting DURABLE: Items are constructed with resin material for superior impact and UV resistance ADAPTER INCLUDED: Features a 3" to 4" duct adapter for easy installation FLEXIBLE DUCTING: 5-foot of 4-inch diameter flexible foil ducting for easy installation DECORATIVE WALL CAP: White wall cap for 4" round duct includes 4 mounting screws to help install an attractive piece 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.