Johnsen's R-134a Quick Charge Kit 2 Cans R-134a Refrigerant, Oil Charge & Can Tap This kit is designed to Boost your A/C system to Full Capacity. The refrigerant is pure R134 refrigerant from Johnsen's. The can tap is reusable and fits onto all R-134a Refrigerant, Oil Charge, and Stop Leak Cans. The connecting end will fit on all standard R-134a Low Side Ports. As pictured, the Quick Charge Kit Includes: 2 Cans of Johnsen's R-134a (24oz Total) 1 Can R-134a Oil Charge (3 to 4oz) 1 Can Tap (11 Inch Length)