Testo 0393 0002 O2 Replacement Sensor for Testo 330-1G LL combustion Analyzer. Testo parts and accessories.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.