The Cascade 20 Mini Power Hang-On Filter is designed to quietly delivers crystal clear water throughout your aquarium. This filter is rated at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. Can be used for Freshwater and Saltwater aquariums.  The intake tube has an adjustable flow knob to allow for increased or decreased water flow. 
 
 Uses double sided disposable media cartridges part# CPF6C3
 Lift tube measures between 5” and 6 1/2” extention added
 For freshwater or marine aquariums up to 7 gallons
 20 Gallon Per Hour for aquariums up to 7 gallons
 4. 5” Height   3. 75”  Width    3” Depth