Fluval U3 Underwater Filter pricehide It is recommended to use

It is recommended to use this product in your saltwater or freshwater aquarium for super-clear water

Minimum / Maximum temperature memory

Collected from the mineral rich foothills of the famous Mont Aso Volcano in Japan

L-Ascorbyl-2-Polyphosphate

Fluval U3 Underwater Filter pricehide It is recommended to useOffering 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. Designed for aquarium up to 40 gallons Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature Position