Replace your old or damaged roof vent with the Heng's Roof Vent. The improved design of the Heng's Roof Vent includes a Vent Lock that keeps the lid from opening and rattling while you're driving your RV. The new EZ-Change Lid lets you replace the lid in just 5 minutes. This Roof Vent comes with a white painted metal base, metal hand crank, and inside trim.• Self-centering metal base with radius corners• Wider 1-1/4" flange covers all screw holes• Designed to withstand excessive wind and weather• Interchangeable with existing Elixir and Ventline products• Simple manual crank up/down operation• White lid with white painted metal base• Fits standard 14" x 14" opening Fits standard 14"" x 14"" opening Simple manual crank up/down operation White lid with white painted metal base | Heng's Replacement Roof Vent, White Lid w/ White Metal Base