Interdynamics EZ Chill Refrigerant R-134a With Leak Sealer & UV Dye (10.25 ounces) 10 ounce of R-134a to replace lost refrigerant Contains leak sealer to stop most common leaks in rubber hoses gaskets and O-rings Single application of UV leak detection dye to help locate future leaks Built in disposable recharge hose 10-1/25 ounce