NBF-300 Aqua Nova NBF-300 Internal Bio-logical filter Flow rate of 300 L/H Fit for aquariums between 50 litres. Hmax = 65cm, 3w Power •    Modern filter design to maximize space of filtration. •    Simple setup and operation. •    Easy to pull apart and clean. quick start. •    Very quiet motor operation and reliability. •    Rotation valves for easy adjustment of direction of flow. •    In box there are full instructions and setup tips. •    Filters comes with course black sponge/s •    Filter comes with airline, valves and necessary fittings for setup. (each model different) •    Filters course black sponge replacement are avaiable.