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BioBox XL grey water filter

1 795,00 

BioBox XL is used for purifying grey waste water from the kitchen and shower in well equipped holiday or permanent homes. The unit cleans up to 600 liters / day. BioBox removes organic matter and nutrients in a biological purification process which is based on the filtering elements inside the filter.

  • washable filtering elements
  • low operating costs

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Does not require electricity

In stock: 5 pcs

Delivery estimate: 1-3 days (in Finland)


BioBox XL is a suitable grey water purifier to well equipped holiday homes and to year-round use in small households. All the grey waste water from the kitchen, shower and sauna can be led to the same purifier.

BioBox XL can be installed both on and into the ground.


BioBox cleaning is based on biological microbiological activity that takes place in the filter elements. The elements are of three different densities (290, 350, 450 m2 / m3). The microbes in the elements remove organic matter and nutrients biologically. The process is the same as used in traditional soil filtration and absorption fields, but in a small space.

The purified water can be led to the ground.

If BioBox is used during winter, it should be insulated or/and equipped with a self-adjusting frost protection cable.


  • height 70 cm
  • width 60 cm
  • depth 80 cm
  • piping Ø 75 mm
  • difference between in and outlet 30 cm


Filter elements are removed from the container and cleaned when necessary (at least once a year) by brushing or rinsing. The waste can be placed in a composter or disposed along with the household waste.

The filtering elements are long lasting, up to 10 years, but they can be replaced with new ones when necessary.


If there is less waste water to treat, GeoTrap grey water purifier or BioBox M may be adequate filters.

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