Johnsens, 18 oz, r-134-a, automobile a/c refrigerant freeze, plus a/c performance boosters, easy to add refrigerant, lubricant & a performance booster to any r-134a mobile a/c system, uniquely blended products produce cold air fast by including r-134a refrigerant, a premium synthetic a/c lubricant/conditioner & a leak sealer, includes charging hose.