HIGH-QUALITY: Top workmanship with impact-resistant plastic housing COMPLETE SET: Includes high-quality UVC bulbs and various connection accessoriesSAFE: 100% VDE-certified. Protection against eye damage HIGHLY EFFECTIVE: Combats harmful floating bacteria and germs and does so without affecting bound, useful purification bacteria CLEAR WATER: Removes turbidity caused by floating algae and bacteria STRAIGHTFORWARD: Quick release for easy bulb changes and for cleaning the quartz glass.