LSE Lighting Combo Package UV Bulb 12974 and Sleeve 12984 for Danner 40W Brand: LSE Lighting Combo Package Kit: Includes the following - 1 UV Bulb (12974 compatible) - 1 Quartz Sleeve (12984 compatible) This combo package kit by (LSE Lighting brand) is 100% compatible replacement for use with Danner Pondmaster 40W sterilizer. All UV replacement Lamps/Quartz Sleeves listed are compatible brand (LSE Lighting) UV products. We do not sell Danner brand UV Lamps/Quartz Sleeves. All Danner brand names, trademarks and logos are property of Danner.