Leak detection kit is designed to find leaks in refrigeration and air-conditioning systems, including those in cramped areas inaccessible to larger lamps. Model OPK-50GS/E includes a compact, blue LED flashlight with a 100,000-hour LED life. The flashlight measure 7.25” long and weighs 5 oz. The kit also includes four universal single-dose dye capsules, which come in different sizes/concentrations to match the system capacity. The kit also includes a Model BV-50 bleed valve that attaches the capsule to the service hose. An 8 oz spray bottle of Glo-Away dye cleaner, a purge capsule and fitting, and fluorescence-enhancing glasses round out the kit.