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Additional extras
Primary treatment chamber - a small, underground treatment chamber installed to filter gross solids from the inlet water to the Diamond. This is mandatory for plants installed in Germany and France. For requirements in other countries, please contact your local authority, distributor or WPL for further information.
Sample chamber - a compact chamber designed to allow easy sampling of treated wastewater (final effluent) may be required by a regulatory authority.
Invert extensions – addition of invert extensions gives flexibility for deeper installations and different site requirements.