EHEIM Pro 4+ External Filter 350 (2273) 10-20 Equipped with fine active charcoal

Equipped with fine active charcoal foam

By increasing oxygen exchange

The unique pore structure of the glass substrat permits optimal oxygen and toxin flow

Rapidly activates biological filtering activity

EHEIM Pro 4+ External Filter 350 (2273) 10-20 Equipped with fine active charcoalThe EHEIM professionel 4+ our best external filter but now with an integrated emergency button. EHEIM 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