Assuming you want a blog titled "Camco 40158 RV White Polypropylene Vent Lid - Ventline (pre 2008) & El": "If you're in the market for a replacement RV vent lid, the Camco 40158 RV White Polypropylene Vent Lid is a great option. Made of durable, impact resistant polypropylene, this lid is a great replacement for Ventline pin style models prior to 2008 and Elixir pin style models 1994 and newer. The reinforced center bar adds strength and stability, and the lid is pre-drilled for easy installation. So why choose the Camco 40158 RV White Polypropylene Vent Lid? First, it's made of tough, impact resistant polypropylene. So no matter what kind of weather you encounter on your RV adventures, this lid will stand up to the elements. Second, it's a great replacement for Ventline and Elixir pin style models. If your RV is equipped with one of these types of vents, this lid is a perfect fit. Third, the reinforced center bar provides added strength and stability. fourth, the lid is pre-drilled for easy installation. If you're looking for a durable, impact resistant RV vent lid, the Camco 40158 RV White Polypropylene Vent Lid is a great option. It's a perfect replacement for Ventline and Elixir pin style models, and its reinforced center bar provides added strength and stability. Plus, the lid is pre-drilled for easy installation. So if you're in the market for a new RV vent lid, the Camco 40158 is a great choice."