Eheim Professionel 4+ External Filter Filtration & Aeration select amino acids (L-Lysine

select amino acids (L-Lysine

Use double dose at start of season or when establishing a new pond/filter

aquarium or sump

Moisture (max

Algae (including Ergosan 2% and Spirulina 0

Eheim Professionel 4+ External Filter Filtration & Aeration select amino acids (L-LysineThe EHEIM professionel 4+ our best external filter but now with an integrated emergency button. We have adopted the many advantages of the professional 3 series powerful performance, optimal energy efficiency, quiet operation, priming aid, safety hose adapter but we have also improved the technology by incorporating the new Xtender button. In the event the output is reduced due to the fine filter media blocking, the button can be adjusted to redirect