Description
Testo 300 CO Sensor (without H2 compensation) – 4 Year Warranty
Testo 0393 0061 CO Sensor without H2 Compensation for Testo 300. 4 year warranty.
Once opened or activated, units are Non Returnable / Non Refundable. See our Returns Page Exclusions section for more info.
Return Eligibility: This product may be returned within 30 days only while the factory sensor package remains sealed. Once the package is opened and the sensor is exposed to air, its service life begins and it is no longer eligible for an ordinary return.
