Fahrenheat FZL4004 240-volt High Output Forced Air Heater, 4000-watt High capacity - Up to 4000 Watts It comes with three piece design and with built-in thermostat Built-in thermal cutout, Fan delay Circulates air quickly Quick easy installation with full louvered cover Patented CLIP-N-FIT design allows you to lower the wattage at the point of installation