16916 Oxygen Sensor w/ 16913 Filter Fits for Robinair 16900/16910 CoolTechID 16990/16995 Refrigerant Identifier,R-1234yf AC Machines (AC1234-4/ AC1234-4SL/ AC1234-4-230/ AC1234-6/ AC1234-9) Item Description ?Vehicle Fitment?16916 Oxygen Sensor w/ 16913 Filter Fits for Robinair models: AC1234-4, AC1234-4SL, AC1234-4-230, AC1234-6, AC1234-9. Fits for 16900/16910 CoolTech ID Refrigerant Identifier. Fits for 16990/16995 Refrigerant Identifier. For Refrigerant identifiers Including within R-1234yf machines. ?16916 Oxygen Sensor?: When the oxygen sensor expires and neither the integrated identifier nor the machine can be restored or refrigerant is added to the internal tank, the normal operation of the machine can be restored by replacing the oxygen sensor with our replacement sensor. ?16913 Refrigerant Identifier Filter?: 16913 Refrigerant Identifier Filter Effectively captures and removes particulate matter and oil mist, improving refrigerant identifier performance and ensuring accurate and consistent diagnostic results. ?Essential key components?16916 Oxygen Sensor w/ 16913 Filter help maintain the efficiency of the refrigerant identifier, which is critical for accurate vehicle air conditioning system analysis. ?User-Friendly Design?16916 Oxygen Sensor can be installed effortlessly, even with adapter or spacer configurations, minimizing downtime. 16913 Filter is easy to install, Simply remove the old filter by pulling it out of the holder and cleaning the burrs on the rubber joint. Insert the new filter with the arrow facing up and push the raised portion into the rubber joint. Show more Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.