A/20K-D-18-GD-NIST | CONFIGNIST138. 20,000 Ohm Thermistor, Duct, 18", Galvanized $95.40 SKU: A/20K-D-18-GD-NIST MANUFACTURER: Automation Components Inc. Parent Item Parent Item - Additional Cost Has Item Option Quantity -+ If you add this item, you're only $705 away from free shipping! Add to Cart Add to Cart Current Stock: Please contact sales Details A/20K-D-18-GD-NIST | CONFIGNIST138. 20,000 Ohm Thermistor, Duct, 18", Galvanized Enclosure, NIST Cert DetailsBackDetailsA/20K-D-18-GD-NIST | CONFIGNIST138. 20,000 Ohm Thermistor, Duct, 18", Galvanized Enclosure, NIST Cert