High Flow Rate - The AP-2000F internal filter has a maximum flow rate of 1600 liters per hour (LPH). With its ergonomic design and low power (30w), this filter produces unmatched filtration and circulation at very low running costsFiltration - Each filter comes with replaceable premium and coarse grade biosponges along with 4mm air tubes (Venturi) to increase oxygen levels and duck outlets for excellent water circulationWave Maker - This creates a circular vortex that is good for trapping or trapping waste and debris in dead spots in the tank. The wave maker can be twisted down allowing you to target your tank bedEASY TO ASSEMBLE AND CLEAN - The fish tank filter pump with powerful suction cups allows you to stick to the aquarium glass. Filter foam cartridges are easily replaceable and easily available on AmazonTECHNICAL DETAILS - Recommended for fish tank aquariums up to 350 liters, size: 53cm*7.5cm. Voltage 220-240 volts. Frequency 50Hz. Power 30w