UV Bulb for Air Health Home AH-RL, 4117-L34, 46444601, 46444900, AH-1, UV-C Lamp Effective Hours Rating: 10,000hrs - Ultraviolet Germicidal Light Bulb Includes Free Gloves for Installation Base Type: 4pins ONE END Bulb Type: T5 Style Quartz Glass Used in the Air Health Home AH-RL, 4117-L34, 46444601, 46444900, AH-1