Pro Vent bathroom fan and utility wall vent kit. Complete kit for through-the-wall vent installation. Ideal for use with either a 3" or 4" fan outlet. Kit includes: (1) 4" white Pro Vent louvered vent hood (paintable), with an 11" metal tailpiece, (1) 4" x 5' white flexible vinyl duct, 2 plastic clamps, and 1-piece of 1" thick adapter foam for 3" to 4" installations. Not recommended for dryer use. Retail box.