Dundas Jafine 4 In. Black Plastic Roof Exhaust Cap is a reliable and durable solution for exhaust ventilation in your home. This roof exhaust cap is specifically designed to efficiently vent bathroom and kitchen fans through the roof, ensuring proper ventilation and air circulation. It comes complete with a 4" or 6" low-profile removable collar, allowing you to adapt it to your specific needs. Additionally, it features a molded screen that prevents birds and debris from entering your ventilation system. One of the key benefits of this exhaust cap is its construction. It's made of high-impact plastic, which ensures durability and longevity. It’s capable of withstanding extreme temperatures without cracking, making it a reliable choice for year-round use. The wide flange area comes with pre-drilled holes, making installation a breeze. Model Number: RL4P