DUCT AVG. TEMP SENSOR, 100K ½, 18", RIGID

DUCT RH&T SENSOR, 1K ½ @ 32F NI / 0-10V, 5%

DUCT RH SENSOR, 0-10V, 2%

DUCT RH&T SENSOR, 0-10V, 2%, DISPLAY

DUCT HYGROSTAT, SPDT, CONCEALED DIAL