Testo 0393 0002 O2 Sensor for 330G LL Flue Gas Promo Set

Testo 0393 0002 O2 measuring cell For 330G LL flue gas promo set

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.