Non-Metallic Filter Screen System which eliminates the need for a filter pack

product pdf


Pore size ranges from 150 - 450 microns
Diameters from 19 to 500 mm
High chemical resistance
UV stabilised
High tensile strength
High transmissivity


A knitted polyester filtercombined with an abrasion resistant outer cover.
600 micron pore size
Diameters from 50 to 600 mm
Chemically resistant
Hydraulically efficient


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 2-16"


Piezometers Groundwater Monitoring Wells
Landfill Gas Monitoring Wells
Dewatering wells


# Lower capital costs
# Drill smaller holes
# No gravel pack required
# Filter to suit soil conditions
# Easy to install

Head Office: +44 (0)1359 271167   |   Coventry Office: +44 (0)2476 602323   |   Telford Office: +44 (0)1952 459778

Marton Geotechnical Services Ltd
Geotechnical Centre, Rougham Industrial Estate, Rougham, Bury St Edmunds, Suffolk IP30 9ND

Geotechnical Instrumentation | Groundwater Monitoring | Landfill Gas Extraction Venting Systems

Drilling: Site investigation, land remediation and water well construction.
Products: Geoscreen, Geofilter, Duroscreen, Bentonites, Filter media, Piezometers.

Groundwater: Monitoring, sampling remediation and control.
Products: Diver Dataloggers, Groundwater Monitoring Software.

Landfill Drainage: Collection and removal of leachate and methane gas.
Products: PE Pipework, Telescopic Duroscreen, Wellheads, Knockout Pots, Manifolds & Chambers.

Demco Rail Track Drainage, Sewer and Culvert Rehabilitation products.
Products: Terradrain, Terraline, Terrafilter, Terrapit.

Geothermal: Ground source heat installations.
Products: Geothermal loops, Geothermal Grouts, Geothermal Test Units.

Pumps: For use in environmental and civil engineering projects.
Products: Geopump, Posiflow, Geoskimmer, Geovac, ProPurge.

Fraste: Fraste hydraulic drilling rigs and accessories
Products: Fraste Drilling Rigs and Accessories, Multidrill Series, FS Series, Mito Series, Exploration Series