O2 Sensor 0-21.0 vol%$93.00 O2 Sensor, 0-21.0 vol% Call us for a quote Product Model: 0393 0003 O2 Sensor 0-21.0 vol% quantity Add to cart SKU: 0393 0003 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description O2 Sensor, 0-21.0 vol% Related products CO2 replacement sensor kit with board0 out of 5 Read more CO Sensor – 327-10 out of 5 $96.00 Add to cart CO Sensor 0-4000 ppm0 out of 5 $176.00 Add to cart