The Hagen Fluval U1 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 15 US Gallons
Ideal for use in all aquarium or reptile environments
Flip-Top for quick and easy maintenance
Adjustable flow rate
Includes 1 foam filter pad
Output diverter
