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Hunting down a leak?

Grab this TSI Supercool 24056 UV dye.

It's a high-performance synthetic blend, 16 ounces (that's 480ml), in bright yellow.

Just add it to your system and let the UV light do the rest.

Brand new, from the manufacturer—MPN 24056.
UPC?

Doesn't apply.
Simple, effective, and it gets the job done without any drama.

4 out of 5