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Profidrum Combibio 30
70 Micron Screen 8000 GPH

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Profidrum CombiBio 30

The ProfiDrum CombiBio is an "all-in-one" koi pond filtration solution. The ProfiDrum CombiBio combines RDF technology with a moving bed bio-reactor for the ultimate in plug and play filtration.

RDFs (Rotary Drum Filters) used to only be avaialble in commercial and industrial water filtration applications. They weren't practical for a Koi pond hobbyists due to their size and prohibitive cost. ProfiDrum USA has introduced multiple RDF filtration options that are affordable and scaled down in size for residential Koi pond installations.

Eco series RDF offers the highest quality craftsmanship out of any RDF currently on the market today. This RDF unit is a one time purchase boasting stainless steel parts and a high quality injection molded plastic body and lid. For the koi owners that are looking for the best RDF to supply the cleanest, purest water to your pond. Do it only one time, do it right.


  • ProfiDrum RDF technology
  • Kaldness K1 filter media
  • High pressure pump driven drum cleaning
  • Air system for bio reactor


Filtration Specs

Recommended Flow Rate 8,000 GPH



  • Body Length 62”
  • Body Width 23”
  • Body Height 38”



  • Inputs 3
  • Input Size 4"
  • Outputs 2
  • Output Size 4"