Black Diamond Avalance® R134A Duraseal Refrigerant - 16oz

Black Diamond Avalanche® #1 Duraseal formula replaces lost refrigerant and oil. The ultra-synthetic formula provides maximum cooling and extends the life of your system. The UV dye in the formula allows easy leak detection with special dyes that glow when exposed to UV light. System safe chemical additive stops leaks in O-rings and other rubber components where most common leaks begin.