The affected heater is the Soleil portable fan heater, Model Number LH-707. The model number can be found on a sticker on the underside of the fan. The circular table fans are white plastic and are 1500 watts. They have a thermostat control on the bottom left front and a power and fan speed control on the bottom right front.
Home Depot has received approximately 464 reports of the fans melting, though no injuries have been reported.