The Spectroline GS-3CS Glo-Stick Capsules are a set of fluorescent leak detection dyes designed for use in HVAC and refrigeration systems that use polyol ester (AB, MIN) refrigerants. The product is specifically designed for the Spectroline GS-3/E model and is sold in a lot of multiple capsules. Each capsule weighs .25 LB and is easy to use.

GS-3/ECS Glo-Stick Single-Dose Capsule, Universal/POE, Treats 10-25 Lbs. Refrigerant or 3.3 Qts.-2 Gal. Lubricant. Glo-Stick Dye Capsules (Patented)

For Small To Medium Size Systems Fast and Easy Servicing.
Works In All Systems, Including High-Pressure R-410A Systems!