The Hagen Fluval U2 Underwater Filter can be used as as a primary filter in smaller aquariums or as a supplementary filter for larger aquariums. Also great for tanks with low water levels.
Will run efficiently in a horizontal or vertical position
For aquariums up to 12 to 30 US Gallons
Ideal for use in all aquarium or reptile environments
Flip-Top for quick and easy maintenance
Adjustable flow rate
Includes 2 foam filter pads, 2 poly/carbon cartridges & 40 grams Bio-Max
2 Output diverters & 1 venturi