A/20K-DO-4 | 120625. 20,000 Ohm Thermistor, Duct, Without Box, 4" SKU: A/20K-DO-4 Parent Item Parent Item - Additional Cost Has Item Option Details A/20K-DO-4 | 120625. 20,000 Ohm Thermistor, Duct, Without Box, 4" Documentation Data Sheet DetailsDocumentationBackA/20K-DO-4 | 120625. 20,000 Ohm Thermistor, Duct, Without Box, 4"Back Data Sheet