Brand: LSE Lighting - EPA Est. No. 96823-PA-1 - SuperLIFE - 12,000hrs - High-Quality Hard-Quartz Glass Ultraviolet Lamps - Specialty Lamps for Residential Drinking Water UV Systems - Length: 20 3/4" (525mm) - SuperLIFE - 12,000hrs - High-Quality Hard-Quartz Glass Ultraviolet Lamps This UV replacement lamp by (LSE Lighting) brand is 100% compatible for use with Wedeco Aquada 2 4 DLR2 DLR4. All UV lamps listed are compatible (LSE Lighting) brand products. We do not sell Wedeco brand lamps. All Wedeco brand names, trademarks and logos are property of Wedeco.