Description specifications: Model: BP-130 Pump: WP1000 Power Consumption: 20w Dimensions:  176 x 220 x 500mm Media Chamber Volume: 2.5 liter Suitable Tank Size: 300-800 liter Description: The media and pump chambers are easily accessible thanks to simple thumb screws. High-quality acrylic won’t break easily in settings with saltwater. Media compacting is prevented by reverse flow, or “up flow,” design. Note : Packing & Shipping Extra Charge