LSE Lighting Compatible UV Bulb 14W for SV6 4031-V26 4pin Water UV System Brand: LSE Lighting Base Type: T5 4pin Base (4pins on ONE END) Wattage: 14W - Bulb Type: Ultraviolet Germicidal UV - Length: 13" Fully 100% compatible replacement for Master 14W SV6 4031-v26 Glass Type: Quartz Glass Tube - Super Life Rating: 12,000hrs