Vortex High Velocity Fan Retrofit Kit. Includes Everything You Need To Convert Your Existing Vent To High Velocity. Includes Easy To Follow Instructions

• Replaces Old Ineffecient Fans With New High Velocity Fan
• Can Be Retrofitted To Any Existing Vent
• No Need To Risk The Roof Seal By Replacing The Entire Vent
• Can Be Done Easily With Only A Phillips Screwdriver (Instructions Included)
• Also Works On Non-Power Vents With Some Simple Wiring