The Mercury Marine® FourStroke Outboard Motor Vented Splash Cover is designed and tested to protect your outboard's finish from exposure to the elements and other damage when your boat is operating on the water. A built-in ventilation system allows for airflow, and it ensures that moisture and mildew won't build up under the cowl. Protects your outboard engine while operating on the water. Engineered to fit your FourStroke outboard motor. Reduces exposure to the elements. Built-in ventilation system. Item(s) will ship directly from the manufacturer; delivery options and/or shipping upgrades are unavailable. Please allow 7-10 business days for delivery. Contiguous 48 states only. A street address is required for delivery.