Spiral silicon carbide heating elements with high-density, high use temperature, superior ... air pollution. DescriptionsOD: Outer Diameter,HZ: Length Of Hot Zone,CZ: Length Of Cold Zone, Order SampleOL: Total Length.Straight, OD ... -20mm, HZ-150mm, CZ-100mm, OL-350mm, Resistance-2.24ΩSpecify as: KJ-SiC ...