Certified A/C Pro R-134a Auto Air Conditioner Refrigerant -12 OZ Certified A/C Pro R-134a Auto Air Conditioner Refrigerant helps you restore cold air in your vehicle. Designed for vehicles with R-134a refrigerant compatible air conditioning systems it replaces lost car refrigerant to help your system cool better. The R-134a auto refrigerant is additive free allowing you to perform an air conditioner recharge without extras. AC Pro refrigerant comes in an EPA-compliant self-sealing AC refrigerant can. Repair leaks in the car AC refrigerant system first and check the pressure with your own gauge. This refrigerant requires a recharge hose which is sold separately. Take on car care yourself by recharging your vehicle s AC with AC Pro. This item is ineligible for sale or shipping to WA/VT. This item contains R-134a.