Keeps bugs, birds, and critters out—no more nests in your exhaust. Essential RV accessory for trailers, campers, and weekend warriors who want reliable protection. Built with premium grade materials and precision engineering for long lasting durability. Ultra Fab quality means you’ll never settle for “good enough.” No special skills required—installation tool included. Get it done in minutes and hit the road faster than your neighbor can ask where you bought it. Designed to be a perfect fit for most Norcold Refrigerators. Check fit chart for verification. Designed to be a perfect fit for most Norcold Refrigerators. Measures 27” x 1.35”. Check fit chart for verification. Replaces Camco 42153, JR Products 06-30265, Ventmate 68585 and Legacy RS700. Includes 3 screens and installation tool. Rain, mud, potholes, even that cousin who borrows your trailer—this product stands strong. Includes Ultra Fab’s industry leading 1 year warranty for peace of mind.