CO Sensor 0-4000 ppm$176.00 CO Sensor, 0-4000 ppm Call us for a quote Product Model: 0393 0053 CO Sensor 0-4000 ppm quantity Add to cart SKU: 0393 0053 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description CO Sensor, 0-4000 ppm Related products Self service replacement O2 sensor – 305/325M & XL0 out of 5 $90.00 Add to cart Self service replacement O2 sensor – 325-1 & 325-2 only0 out of 5 $131.00 Add to cart Extension for telescopic handle0 out of 5 $221.00 Add to cart