Trojan Compatible UV 602805 UVMax C , D, D Plus , IHS12-D4 Sterilizer UV Bulb 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 PART NUMBER: 602805 UVMax C , D, D Plus , IHS12-D4 Sterilizer