Geotextile Wellscreen Filter
Drilling Supplies

Geotextile Wellscreen Filter

GeoFilters control the ingress of fines and eliminates the need for additional filter material within the borehole.

They are made up of a woven synthetic filter material that covers the outside of slotted or perforated pipe and an outer protective cover which is secured either end by adhesive or non-adhesive fixing.


  • Standpipe Piezometers
  • Groundwater monitoring wells
  • Dewatering wells

Available as:


Geonet is a high tensile EVA sleeve which protects the GeoFilter during transport and installation.

  • High tensile strength
  • High abrasion resistance
  • Range of sizes from 19-400mm



A woven geotextile which provides filtration down to 150 microns, suitable for fine soils

  • Pore size ranges from 150 – 250 microns
  • Diameters from 19 to 400 mm



A knitted polyester filter sock which provides filtration down to 300 microns suitable for medium soils.

  • 300 or 450 micron pore size
  • Diameters from 50 to 400 mm