Camco 40154/40157 White Polypropylene Vent Lid - Jensen (pre 1994) Easily replace your old RV vent lid Made of durable, impact resistant polypropylene Fits all 14 inch x 14 inch RV vents and replaces Jensen models prior to 1994 Reinforced center bar for added strength and stability Vent lid is pre-assembled for quick and easy installation