Feature: 1. PREMIUM MATERIALS: The internal aquarium power filter are made of premium materials, beautiful in style and durable. 2. LEAKPROOF: Three sided press buckle design, lock the filter upper cover, effectively prevent leakage. 3. POWER WATER PUMP: The aquarium power filter is matched with a power water pump, which can be used as a filter barrel outside the tank. 4. HIGH EFFICIENCY FILTRATION: The ultra thick filter cotton is used to effectively filter impurities in the water. 5. SCIENTIFIC STRUCTURE: The filter is easy to disassemble and assemble, easy to clean, and easy to replace the filter element. Specification: Item Type: Aquarium Power Filter Material: Plastic Sponge Height: Approx. 22cm/8.6in Water Inlet Diameter: Approx. 1.2cm/0.47in Outlet Diameter: Approx. 1.2cm/0.47in Diameter of Pipe Connection Nozzle: Approx. 1.6cm1.2cm/0.62in0.47in . Package List: 1 x Filter2 x Pipe Connection Nozzle Note: 1.It needs to be connected to the filter barrel outside the tank. The pre filter nozzle has a diameter of Approx. 12mm/0.47in. For example, the diameter of the filter barrel pipe is Approx. 16mm/0.62in. An additional water pipe with a diameter of Approx. 12mm/0.47in is required to connect to the complimentary pipe connection nozzle.2.There is an error of Approx. 0.1‑0.2cm/0.039‑0.078in