EHEIM Professionel 4+ External Canister Filter Size:250 Available Sizes: 3 lb /

Available Sizes: 3 lb / 8 lb / 16 lb

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EHEIM Professionel 4+ External Canister Filter Size:250 Available Sizes: 3 lb /The EHEIM professionel 4+. EHEIM's best external filter but now with an integrated emergency button. They have adopted the many advantages of the professional 3 series powerful performance, optimal energy efficiency, quiet operation, priming aid, safety hose adapter but have also improved the technology by incorporating the new button. In the event the output is reduced due to the fine filter media blocking, the button can be adjusted to redirect the