Continued quality management, state-of-the art technologies and the use of best materials ensure that these underground tanks and earth shafts meet even the most stringent requirements.

The underground tanks are covered by a 15-year warranty on all materials, subject to proper handling and installation in compliance with the installation instructions.

Rotational moulding technology

- tension-free manufacture of tank from one piece of material
- thick walls
- excellent dimensional stability and sturdy design
- Effective stability profiles

Special stiffening ribs as integral part of the tank design. Maximum tank stability compared with other tanks, such as blow-moulded tanks, rotation-moulded tanks are particularly suitable for underground installation.Advantages:

Telescopic dome* as standard, for horizontal and vertical adjustment to ground level
Free 600 mm access opening conforming to DIN 1989
Continuous quality monitoring in compliance with type approval Excellent dimensional stability
Free delivery to roadside (Germany)
Plug-type adapters for inlet, house connection and overflow lines Opaque
UV-resistance ensures consistent high material quality
100% recyclable

Optional equipment:
Fine filter
Integrated calmed inlet
Including overflow and animal guard