LSE Lighting compatible replacement Ozone UV Bulb for LAHV91 Ultraviolet 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 This UV replacement lamp by (LSE Lighting Brand) is fully compatible with Rainsoft HVAC Air System LAHV91. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell AirWaves/Airmaster/Rainsoft brand lamps. All AirWaves/Airmaster/Rainsoft brand names, trademarks and logos are property of AirWaves/Airmaster/Rainsoft.