The easy-to-install universal Maxxair Unimaxx Vent Lid in Smoke is an excellent replacement for damaged or old vent lids. The universal design takes the hassle out of having to know what year your current lid was manufactured, who manufactured it, and of matching specific hinge types. Replace damaged vent lids on Elixir, Heng's, Jensen, Ventline, and other roof vent assemblies. NOTE: This universal replacement vent lid will NOT replace the lid on powered fan lid assemblies.• Preassembled• Includes all mounting hardware• Reinforced polypropylene is UV resistant• Rust-resistant hardware Includes rust-resistant mounting hardware Easy-to-install universal design takes hassle out of having to know your current lid NOTE: This universal vent lid will NOT replace the lid on powered fan lid assemblies | Maxxair Unimaxx Replacement Vent Lid, Smoke