Arctic Freeze Auto AC Recharge R-134a High Mileage Refrigerant

Arctic Freeze Auto AC Recharge R-134a High Mileage Refrigerant: Trigger dispenser has built-in valve and gauge so you can attach can, measure and fill in three simple steps  Extends life of older or high usage A/C systems Contains anti-wear additives and lubricant to help restore viscosity  Safely seals leaks in hoses, gaskets, seals, and O-rings ACME threaded top Recharging hose sold separately