Excellent power:Up to 25W power and 475GPH max flow rate ensure waste and impurities in the tank are captured effectively, making your tank clean in a shorter time. 3 stages of biological cotton to ensure water clarity and effectively purify water and adsorb odors. Provide a healthy living environment for your lovely pets Upgrade Design:The filter cartridge of the upgraded version is made of transparent ABS, which is stronger and more durable than the original version. The transparent material can let you check the use of the filter element whenever you want and replace it in time. This silent filter operates with a sound of less than 35 dB. It can provide you with an ultra-quiet working environment Wide Application: Max Flow Rate: 475GPH(1800L/H). Max Lift Height: 4.92ft. Fits for up to 120-gallon aquariums and fish tanks, no more than 4.92ft in height Easy to Set Up and Clean: The fully submersible filter with suction cups is easy to place inside your fish tank. The transparent filter box is visible that you will know when to clean or replace the filter cartridge Stronger Extensibility:This internal filter can be used as a submersible pump, effectively promoting continuous water circulation in the tank. The filter cartridges can be filled with other filter media, depending on your needs Ensure your aquatic pets thrive in a pristine environment with our 3 Stages 475 GPH Aquarium Filter. Designed for fish tanks up to 120 gallons, this submersible internal filter offers unmatched water clarity and circulation. Perfect for both freshwater and saltwater aquariums, this powerful filter is equipped with a high-efficiency water pump that ensures a steady flow of 475 gallons per hour, keeping your fish tank healthy and clean