Internal filter for aquarium 1380F/1280F/1180F Submersible two-section , 1300 l / h 18 W The internal filter provides high-quality purification of water in the aquarium and its saturation with oxygen. The large volume of the filter element makes it possible to purify water more effectively both mechanically and biologically, that is, with the help of nitrifying bacteria that settle inside the sponge and convert toxic compounds into harmless ones for the inhabitants of the aquarium. The filter is very easy to maintain. It can be easily disassembled and assembled, which speeds up the procedure for its cleaning. An effective, durable and convenient filter will appeal to aquarium owners, as it will create a comfortable environment for their inhabitants and maintain it for a long time. It includes a silicone air spray tube.