Refrigerant Identifier The best defense against unknown refrigerant, and the risks associated with unknown refrigerant, is a refrigerant identifier.. Protect your A/C service equipment.. Know whether or not you have acceptable R134a refrigerant by using the DiscovR refrigerant identifier before servicing the vehicle.. Guard against costly recovery equipment repairs. . Contaminated refrigerant can wreak havoc on any R134a recovery, recycle, and recharge machine. . The average repair cost is $300, and in many cases contaminated refrigerant will void the product's warranty. . Shield your RRR machine from contaminated refrigerant by using the DiscovR refrigerant identifier before connecting to the vehicle.. Uncover hard-to-find air contamination. . DiscovR refrigerant identifier notifies you when the system contains excessive air.. Fast and Accurate. . Pass and Fail lights clearly show if refrigerant is pure enough to be recovered.. Dimensions: 8.50in x 9.00in x 2.40in 16009