R-134a Full Repair Kit Johnsen's R-134a Refrigerant, Oil Charge, Super Seal and Can Tap with Gauge This Complete Car kit is designed to Boost your A/C system to Full Capacity. The 3 Cans of refrigerant is pure R134 from Johnsen's. Comes with a R-134a Super Seal Kit with Leak Detector. Comes with 2 cans of Johnsen's Oil Charge 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.