Offering outstanding 3-stage filtration, increased water movement and vital aeration, Fluval U-Series internal filters are the perfect solution where external filtration is not possible.
FLUVAL U1 Internal Filter - Up to 55 L (15 US Gal)
Designed for use in both fresh and saltwater applications, U series underwater filters offer superior water purification, movement and aeration capabilities. Whether you’re looking for a submersible filter that offers multi-stage cleaning, quiet operation, versatile horizontal and vertical mounting options or ultra fast media changes, U series has something to offer everyone. U series filters are also great for terrariums and turtle tanks.