Internal biological filter for "Italian-style" aquariums with 3 compartments including filtering materials and 520 l/h recirculation pump Large filter with base dimensions 26.5 X 8.5 cm // height 32 cm easy to install thanks to the 6 support suction cups Filtering media included: white fiber for prefiltration - activated carbon - black sponge for mechanical filtration - sintered glass stones and ultra porous ceramic cylinders for bacteria settlement AMTRA STREAM 480 recirculation pump included: adjustable flow rate - maximum flow rate 520 l/h - consumption 4.3 Watt Easy to clean and extremely efficient, useful in both fresh and marine water for aquariums up to 150 liters in capacity