LSE Lighting compatible UV Lamp #11 for Pura UVB1 UVB2 UVB3 UVB 14W Brand: LSE Lighting This UV bulb by LSE Lighting brand is 100% compatible for use with Pura models UVB1 UVB2 UVB3 UVB Effective Hours Rating: 12,000hrs - Ultraviolet Germicidal Light Bulb Bulb Type: T5 Style Quartz Glass - Watts: 14W Base Type: 4 Pin Base T5 (4 pins on ONE END)