Update your old, inefficient powered vent easily without replacing the entire vent or compromising the rooftop seal. Just replace existing screen with the Vortex upgrade kit.
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Heng's Vortex II Fan Upgrade Kit
Upgrade your present powered roof vent into a powerful high velocity air movement system in just minutes with the Vortex Kit. Take out the current screen, garnish and motor and replace it with the Vortex. Easy installation with only a Phillips head screwdriver! Non-powered vents can be converted with additional wiring.
Vortex II Kit, a three speed reversible air movement system to import or export air movement from your RV. High speed has 300% more air movement than standard roof vents, medium has 200% more air movement than standard roof vents, low has 100% more air movement than standard roof vents.
Works with 14 x 14 Ventline, Jensen and Elixir powered U.S. vents.