Perfect Match to Equipment - The 16916 oxygen sensor is a Identifier oxygen filter replacement made for r-1234yf machine is manufactured to precise specifications using high quality materials; ensuring a long-lasting and for the device it Important Components - If the oxygen sensor expires, neither the integrated identifier, nor the machine, is to recover or add refrigerant to the internal tank. So our 16916 refrigerant identifier o2 sensor is an integral part for 1234yf machine or identifier Efficient Recovery:Your 1234yf machine or identifier should provide advance notice when the oxygen sensor is nearing of its lifespan. Your can use our oxygen sensor replacement to return machine to normal operation Application Scope: Oxygen sensors can be used: replacement filter for AC1234-4 / AC1234-4SL / AC1234-4-230 / AC1234-6 / AC1234-9; for r-1234yf machines and 16990/16995 Measuring Range: 0% - 25% Output Type: NPN Specific Uses For Product: automotive, refrigerant recovery, refrigerant charging Product Dimensions: 1.77 x 0.87 x 0.87 inches; 2.72 ounces Item model number: 16916 Color: Silver Material: Metal Package Contents: 1x Oxygen sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.