The Eheim MODUL 4000 is a versatile filter for your pond: a modular filter and water feature pump in one. The size of your pond doesnt matter. The Eheim MODUL 4000 consists of a pump and individual filter modules, the number of which can be reduced or increased, as required, depending on the size of the pond and the fish population. The Eheim MODUL 4000 has a separate adjustable water outlet which can be operated as a water feature pump, create a stream or connect to a UVC clarifier. The filter can be easily concealed, even in shallow water, due to its slim design and neutral colour.Eheim Pond Filter MODUL 4000+ internal pond filter - especially designed for individual applications+ the unit consists of a pump and individual filter modules, which can be either reduced or increased, depending on the size of the pond or the fish population+ also suitable for shallow water due to the flat construction+ inconspicuous due to its neutral colour+ long service life thanks to extra large suct