The OPK-300EZ/E is the EZ-Ject™ air conditioning leak detection kit that is perfect for small to medium-size systems and contains everything necessary to get the job done in an easy and efficient manner, said the company. Featured in the EZ-Ject kit is the Optimax™ 3000, a cordless, rechargeable LED leak detection flashlight. Comparable to super-high intensity 150-W lamps, it has an inspection range up to 20 feet (6.1 m) or more and a bulb life of 50,000 hours, the company said. Also included in the kit are the EZ-Ject dye injector assembly, hose assembly with check valve and low-loss fitting, two 0.5-ounce (15 ml) EZ-Ject universal/POE dye cartridges, 8-ounce (236 ml) spray bottle of Glo-Away™ dye cleaner, ac and dc battery chargers, and fluorescence-enhancing glasses, in a rugged carrying case. Each calibrated dye cartridge provides exact dosing for multiple systems with a turn of a handle.