Brand: LSE Lighting * Bulb Type: T5; Base Type: 4pin (4pins on ONE END) * Effective Hours Rating: 10,000hrs; Length: 14 1/4" Long; Ozone: Yes * Use for: HVAC Air Systems * Fully compatible UV Lamp by (LSE Lighting) for use with AirWaves/Airmaster HVAC Air System LAHV91