Fluval U3 Underwater Filter pricehide the heater is also programmed

the heater is also programmed to turn itself off when not properly submersed to avoid overheating and damage

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

Minimum / Maximum temperature memory

PhosNet is a granular ferric oxide (GFO) with high porosity

• Let your imagination go wild

Fluval U3 Underwater Filter pricehide the heater is also programmedOffering 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