4 in 1 Aquarium Filter: Our fish tank filter provides filtration, oxygen increase, green water clean and water circulation functions. Power 18W, Max. Flow 300GPH, fits 20-75 gallon tank. It not only cleans green water but also enhances oxygen supply and water circulation within the aquarium. Powerful Filtering: This sponge filter is equipped with an U-V lamp. The filtering sponge is capable of effectively filtering out residues and other impurities; the irradiation of the U-V light keeps the fish tank clear and transparent, and its plastic shell and sponge effectively prevent light leakage, creating a safe environment for your fish. Independent Switch: Control the water pump and fish tank U-V light separately. When you only want to use the aquarium filtration function, you can turn off the aquarium U-V light separately. And light with options for 4/8/12/24 hours timer feature. You can set up the lamp working time according to your needs. Double Oxygenation: With two outlets; 1. Aerating Mode: Boosts oxygen levels using an air venturi and adjustable tubing; 2. Rainfall Mode: Evenly disperses filtered water via a spray bar, promoting gentle surface agitation and water circulation. Crystal Clear: Clear up cloudy and green water in just 3-8 days, depending on your tank size and water quality. When green water floods, turn on 24 hours for 3~5 consecutive days. Recommended turn it on for 4 hours for daily maintenance. A good choice for freshwater and saltwater aquarium. Complete Accessories: This aquarium filter includes 1x Filter with sponge, 1x Pump with power cord, 1 x U-V light with timer controller, 4x Suction cup with base, 1x Rain shower pipe, 1x Air hose. Features an observation window to easily monitor the light's working condition. Transform your fish tank into a clean, healthy environment with the 4-in-1 Aquarium Filter System. This all-in-one filtration unit combines four essential functions: filtration, oxygenation, green water clean, and water circulation.

Perfect for both freshwater and saltwater tanks, this aquarium filter system is the ideal choice for looking to maintain a clean, healthy, and oxygen-rich aquarium environment.