Function: Designed for straight through air flow for venting hoses, it can quickly repair the small damage on the RV or saving cost, easy to install.
Material: Made of good quality plastic, which is weather resistance and durable, with a long service life.
Easy to install: Install with simple screws, we included the screws.
Application: Suitable for ships, oceans, yachts, RVs, homes and other related ventilation holes. Size: 74x67x26mm / 2.91"x2.64"x1.02"(L*W*H); Hole Diameter: 4mm / 0.16".