Black Diamond Avalanche Refrigerant, #1 Duraseal Formula, 12 oz. Refill

Black Diamond Avalanche Duraseal formula replaces lost refrigerant and oil. The ultra-synthetic formula provides maximum cooling and extends the life of your system. UV Dye Glows to reveal leaks. Smart can logo turns blue to show that refrigerant is flowing from the can to the a/c system System safe chemical additive stops leaks in o-rings and other rubber components where most common leaks begin Refill can for use with 1/2 in. Acme threaded recharge hoses