Complete range hood vent kit designed for through the wall installation. Fits 7 In. round or 3-1/4 In. x 10 In. exhaust outlets. Can be used with over-the-range microwaves. Kit includes: (1) 7 In. white plastic louvered vent with tail piece, (1) 7 In. galvanized adjustable elbow, (1) 3-1/4 In. x 10 In. galvanized transition, (1) roll of duct tape.