An efficient water system means better, safer water. The Vitapur VUVLQS30W replacement UV lamp with quartz sleeve helps your UV water purification system effectively disinfect your drinking water. The CSA certified and energy efficient standard output 30W UV lamp is rated for 9,000 hours (1 year of continuous use). The clear glass quartz sleeve allows the optimal amount of UV light to pass through. Pairing the UV lamp with a clean and blemish-free quartz sleeve ensures your UV system performs at its best.