VORTEX I FAN RETROFIT KIT FOR EXISTING VENTS. ADDS A HIGHER POWER FAN FOR MAXIMUM AIR FLOW WITHOUT HAVING TO CHANGE YOUR ENTIRE VENT AND JEOPARDIZE THE SEAL. FITS ANY STANDARD 14x14 VENT FROM ELIXIR, JENSEN, OR VENTLINE. COMES WITH EASY FOLLOW INSTRUCTIONS AND CAN ALL BE DONE WITH ONLY A PHILLIPS SCREWDRIVER. UPDATE YOUR OLD INEFFICENT POWER VENT WITH THE BRAND NEW HIGH VOLUME VORTEX FAN.
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