LSE Lighting Compatible UV Bulb for 05-0010-R GPH450T5L/4 Brand: LSE Lighting Base Type: 4pins ONE END; Length: 18" (450mm) Effective Hours Rating: 12,000hrs (Extra LiFE) - Quality Ultraviolet UV lighting by LSE Lighting Brand (New technology UV Lighting with Extra LiFE) This UV replacement lamp by (LSE Lighting) is 100% compatible as a replacement for 05-0010-R GPH450T5L/4. Bulb Type: T5 Style Quartz Glass - Bulb Type: Germicidal UV Tube Light