Features: Help keep fishtank water beautifully clear. It can effectively filter impurities, keep water clean and while oxygenating water for fish health. Multifunction: Water circulations, filter, wavemaker, increasing oxygen. It is suitable for users in homes, offices, hotel and other place who use pumps. Our filter can be widely used in waterscape facilities such as fish tanks, flower pond and fountains to ensure a clear and clear water quality and provide a healthy environment. Specifications: Component:Plastic Type: 4W/6W/15W/20W/35W/45W/25W Size A and B: Approx.5x13.50cm/1.97x5.31inch SizeC: Approx.5x17cm/1.97x6.69inch Size D: Approx.6.5x20cm/2.56x7.87inch Size E: Approx.6.5x30cm/2.56x11.81inch Size F: Approx.6.5x40cm/2.56x15.75inch SizeG: Approx.6.5x50cm/2.56x19.69inch Quantity: 1pc Package Includes: 1pc FishTank Filter note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. 3.4W/6W shall be equipped with pipe with inner diameter of 12MM, and 15W/20W/25W shall be equipped with pipe with inner diameter of 16MM.