FEDOUR AP-600L Submersible Aquarium Internal Filter with Water Pump 3-20 Gallon

Internal submersible filter for aquariums up to 35 gallons, featuring a maximum flow rate of 80 gallons per hour at just 4 watts of power. This compact filter measures approximately 5.3 by 1.5 by 1.1 inches. Includes two outlet options: a spray bar for waterfall-style flow and oxygenation, plus a separate aeration outlet. Water flow is adjustable via a slide mechanism. Strong suction cups allow easy placement anywhere in the tank. Two pieces of biochemical cotton included for replacement.