Features: * No need to penetrate the roof or wall * Flapper lets out hot moist air while keeping out cold air * Mounts flush to soffit for virtually invisible installation * Meets CSA codes and standards * Connects to either 4 inch or 5 inch ducting or flex hose * Overall size: 6 inch square * Vinyl * 15 ounce size What"s In The Box: * Canplas 646015BR Vinyl Soffit Exhaust Vent, Brown