Viking'sVP3000 combines a 3000 CFM fan and a duplex GFCI outlet to increase the quantity of fans on the floor. Viking's VP3000 combines a 3000 CFM fan and a duplex GFCI outlet to increase the quantity of fans on the floor. Daisy-chain up to 4 airmovers on a single ircuit. With Focus Technology, this fan sets a new industry standard for restoration professionals. The focus of the airflow helps the problematic drying areas like sub floor, carpet, carpet pad, and walls.