CRC00021 ceramic heater elements are white colored ceramic infrared heaters.  These ceramic element heaters are made by Tempco, and are known as ceramic infrared e-mitters or electric infrared heaters.

This radiant heater has no thermocouple present for monitoring the infrared heating temperature.  It is made as a 230 volt and 325 watt ceramic heater element.  This electric radiant heater has 3.5" of ceramic bead leads with straight crimped terminals.  It has a 4.80" long and 2.36" wide curved face design.  A one piece spring mounting clip is included with this ceramic heating element.  This heater is similar to the WPHTEW325/230/240 infrared heaters.