Fluval U2 Aquarium Internal Filter 400L/h for tanks up to 110L Medium Aquariums Included is a waterproof probe

Included is a waterproof probe with 3 position level sensors

Smart Level safely and easily handles the aquarium and sump water level due to evaporation

and UV steriliser systems

Includes 3 clear lenses plus 2 x red

making it ideal for open aquariums or terrariums

Fluval U2 Aquarium Internal Filter 400L/h for tanks up to 110L Medium Aquariums Included is a waterproof probeFluval U2 Aquarium Internal Filter 400L h for tanks up to 110L The Fluval U2 Underwater Filter provides complete and efficient 3 stage filtration, including BioMax biological filtering, to create superior aquarium water quality. The U2 Filter includes practical and versatile features, making it ideal for application in fresh, marine and reptile environments. The filter provides the option of setting the flow output in 3 different positions, a key