Spectronics Corp/Tracer Universal Tracer-Stick Capsules features tracer-stickA/C dye capsules that is highly concentrated and glows brightly for easy leak detection. It includes a case of 6 tracer-stick capsules for single billable servicing which services 3 to 4.9 lbs. of refrigerant per self cleaning capsule. The capsule is co-solvent free and certified to meet SAE J2297 plus backed by a 1 yr warranty on material as well as workmanship.