Fluval Innenfilter U4 Dennerle-Fishfood The innovative 2-colour technology impressively

The innovative 2-colour technology impressively visualizes this additional benefit

while the UVC unit integrated in the lid quickly kills floating algae

(H max): 1

It consists of adapting the power of the water heating to different sizes of the aquarium and the conditions prevailing in it

Fluval Innenfilter U4 Dennerle-Fishfood The innovative 2-colour technology impressivelyInternal filter for aquariums up to 240 liters The Fluval U Series internal filters provide excellent 3 stage filtration and increased water movement, which provides essential oxygenation of the water. The Fluval U Series Internal Filters are the perfect solution for tanks where external filtration is not possible. Adjustable 3 way flow control Upper outlet for circulation and oxygenation, integrated jet stream tube for a smooth, even flow and lower