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The active permanent casing

  • Invented, patented in 1974 and produced exclusively by Desjoyaux
  • Rot-proof and environmentally friendly (recycled material)
  • Sturdy polypropylene combined with concrete
  • Free standing structure
  • Resistant to frost and land movements
  • Installation certified by Bureau Veritas
  • Can be assembled in any shape and size
  • Manufacture and installation guaranteed for 10 years

The filtration unit

  • Invented, patented in 1983 and produced exclusively by Desjoyaux
  • Easy upkeep and maintenance
  • Available as a surface-mounted unit, integrated unit or staircase unit
  • Pipeless
  • No risk of leakage
  • Filtration from 6 to 30 microns
  • Evolutionary system
  • Mobile