About This Product DUNDAS-JAFINE's ProVent™ dryer vent kit is part of the ProSeries product line-up. The kit includes a 4 in ProVent™ exhaust hood, a 4 x 8 ft ProFlex™ 2158A listed and marked transition duct and 2 plastic adjustable clamps. The ProVent™ exhaust hood features a three-louver damper system that helps to prevent cold air backdraft, snow or rain from entering the home. The louvers are cammed to allow for easy pivoting and to help prevent sticking. Highlights Cammed louvers on ProVent™ cap easily pivot to help prevent sticking Snap-on aluminum pipe to cap assembly eliminates the need for lint trapping staples Cap can be painted to match the home's exterior UV-resistant plastic protects cap from harmful effects of the sun Molded caulk edge assists the installer in maintaining a clean caulking application and finished look (4x8 Dryer vent kit - 0197954 - TD48PVKZW)