UV Dye Direct Inject, R22, R12, R134a, R410, R1234yf

Envirosafe UV Dye The very first dye in a direct inject product. Fully compatible with mineral, ester, and pag oils Uses a precisely selected, florescent-yellow dye that is highly visible and is the same dye used by auto makers in car A/Cs. This product performs best in heat pumps, split and mini- split units, packaged units, microchannel coils, coolers, and commercial units. Applications: heat pumps, split systems & mini split units, packaged units, and microchannel coils DO NOT use in ammonia systems. One-time use Concentrated No need to pump-down R410 or other units No injection-hose or caulk-gun needed Concentrated formula means less material in the system.