Update your old, inefficient powered vent easily without replacing the entire vent or compromising the rooftop seal. Just replace your existing screen with the Vortex upgrade kit. Make your outdated vent more powerful. Replacement is easy and only a screwdriver is needed. Tampering with the rooftop seal is not necessary. The Vortex vent works with Ventline, Jensen and Elixir powered U.S. vents. Non powered vents can be converted with some additional wiring.
Heng 90043-cr Vortex Vent Fan Kit