• MARINE-GRADE STAINLESS STEEL CONSTRUCTION – Crafted from premium 304 stainless steel, this 4" Mushroom Ventilator offers superior durability in saltwater environments. Its robust build ensures long-term resistance to corrosion and weathering.
• SECURE WATERTIGHT SEAL – The integrated rubber gasket and threaded stem create a tight, watertight seal when closed. This prevents unwanted water ingress and allows for smooth opening and closing.
• EFFICIENT WATER-REPELLENT DESIGN – The mushroom-shaped dome is engineered to shed water quickly, reducing the chance of moisture buildup. It ensures optimal ventilation while protecting your vessel’s interior.
• BUILT-IN STAINLESS MESH SCREEN – An internal stainless steel mesh screen helps keep debris and pests out while allowing steady airflow. Ideal for dorade boxes or standalone ventilation setups.
• SLEEK LOW-PROFILE LOOK WITH FLEXIBLE FIT – Designed to sit flush on decks, this low-profile vent minimizes obstruction and snagging. Available in multiple sizes, it fits a variety of boats, vans, and RV.