IDQ 134a with System Safe Leak Sealer + UV Dye (10.25 ounces) (CA Compliant) This EZ Chill refrigerant all-in-one kit has a specially designed formula of R-134a and additives. The approximately 10 oz. of R-134a and 0.25 oz. of additives are used to recharge a vehicle s A/C system seal common leaks in the A/C system s rubber components and identify any leaks that were too large to be sealed. The built-in recharge hose with push button dispenser provides an all-in-one no tools required recharge solution. This item contains R-134a.