Algreen's All-in-One CrystalFlo Pump with Pond Filtration and UV Clarifier Product Dimensions are 11 x 16 x 5.5 High Unique all-in-one pump/clarifier filtration system with fountain heads 9 watt uv lamp sterilizer to kill algae Includes 4 fountain heads/12" telescopic riser and diverter Includes mechanical and biological filtration