NEWA B Pratico adv. 7000 NO uvc (CSTadv2300 Filter media FittingsComplete filtration system for immediate use. Dirty water pump developed with a low-consumption motor. Spray-bar to optimize water distribution across the entire filter surface maximizing the proliferation of beneficial bacterial colonies. Filter foam, carbon foam and clay granules for perfect biological filtration. Shock- and UV-resistant outer tank. 5 m cable, hose and numerous accessories. Makes water crystal-clear, removes green algae and bacteria without the need for chemicals.