Glo-Stick is a mess-free tool for adding dye to refrigeration and air-conditioning systems. The disposable, fluorescent dye capsules are prefilled with the company’s AR-Glo dye, which is compatible with commonly used refrigerants, including blends. The fluorescent dye is co-solvent free, so it cannot impair lubricant properties. The capsules are available for mineral oil, POE and alkyl benzenes lubricant systems and in four sizes or concentrations.

Spectronics Corp., (800) 274-8888,

www.spectroline.com

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