Envirosafe Arctic Air for R-1234yf with Proseal, Leak Detector, R1234 and Gauge

1 can of Enviro-Safe 1234YF ProSeal with Leak Detector will treat 1 vehicle. Even though Proseal with Leak Detector for R1234YF can form a seal on the schrader valve, when you hook up to it the seal will release and allow you to use the schrader if necessary.