... 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 ... .24Ω Diameter (OD, mm)Hot zone (HZ, mm)Cold zone (CZ, mm)Overall length (OL, mm)Range of resistance (ohms)8100 ...