NBF-1800 Suitable for aquariums up to 250L Hmax = 170cm, 30w 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.