Tel. +44 1608 661-500
Fax +44 1295 211333
Regen House, Beaumont Road
Banbury, Oxfordshire, UK-OX16 1RH

Infiltration tunnel

Space-saving and cost-efficient. Specifically designed for use in private and rural areas. 

Sizing form/
Tender file
Dimension drawing
Infiltration Tunnel
Infiltration Tunnel
pdf 549 kb

  • The Graf Infiltration Tunnel has been mainly designed for the use in private and rural areas
  • The system which consists of one or several tunnel modules and two end plates can be extended at will
  • The laying is realized in one or more lines of the same level
  • As the weight of one module is only 11 kilos, the handling of the Infiltration Tunnel is excellent
  • The surface beyond the tunnels is lorry-bearing which offers versatile possibilities 
  • The infiltration tunnel can be loaded permanently up to 59kN/sqm and thus is also suitable for lorry-bearing
  • 5 years warranty

300 l

order no.QuantityLength (mm)Width (mm)Height (mm)add to enquiry
Weight (kg)


End plate for Percolation Tunnel 300, suitable for vehicle loading

Set 2 units


Inspection end DN 200


Graf-Tex geotextile size 2.50 x 2.50 m

for an EcoBloc Inspect flex, Rain Bloc and an Infiltration Tunnel


Graf-Tex geotextile

Material sold by the metre, roll width 5 m


Deaeration end DN 100


Sedimentation filter shaft suitable for pedestrian loading


Infiltration filter shaft, vehicle loading


Universal Filter 3 external suitable for pedestrian loading


Universal Industrial Filter 3 external suitable for pedestrian loading


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