Converts the UIS? connectors of our newer fans to Molex ports so that they can work with previous generation controllers. Newer fans with UIS connectors include CLOUDRAY clip fans CLOUDLINE LITE inline fans next-gen CLOUDLINE fans. Previous generation of controllers with Molex ports include CONTROLLER UNC529 and CONTROLLER 67. Compact design ensures a secure fit while extending the connection between device and controller. Gives UIS devices access to smart controls like temp. & humidity triggers timers and backup memory.