LSE Lighting Combo UV Bulb NLR1845 and Sleeve for Aquada 2 4 DLR2 DLR4 Combo Package Kit: Includes the following: 1 Bulb and 1 Quartz Sleeve Lamp Type: UV Ultraviolet, Sleeve Type: Quartz Glass: Lamp Size - Length: 20 3/4" Brand: LSE Lighting This combo package kit by (LSE Lighting brand) is 100% compatible replacement for use with Wedeco Aquada 2 4 DLR2 DLR4. All lamps/quartz sleeves listed are compatible brand (LSE Lighting) UV products. We do not sell Wedeco UV brand lamps/quartz sleeves. All Wedeco UV brand names, trademarks and logos are property of Wedeco.