A/CP-BP - The ACI bullet sensor sensing element is double encapsulated to avoid sensor failures caused by moisture infiltration.  They are offered standard with etched Teflon lead wires. 

Type II 10k Ohm 10'Cable Sensr

10KW TYPE Z BULLET PROBE 20FT

10Kohm 1" BULLET PROBE 6FT CBL

A/CP-D-12"-4X - 10K Ohms @ 77 Deg F (25 Deg C) Type II Thermistor The polycarbonate NEMA 4X (4X) configuration is designed for wet environments and adds a level of corrosion resistance. ACI duct temperature sensors are designed for HVAC Building Automation and light industrial systems. Specific applications include: zone control air handling unit and temperature monitoring. Negative temperature coefficient Double encapsulated sensor Built in mounting flange NEMA 4X enclosure