Discover the GRAF Carat underground tank range – high-capacity storage solutions for wastewater, rainwater, stormwater, and other non-potable liquids.
Built for long-term performance and adaptability, GRAF Carat, Carat XL, and Carat XXL tanks offer underground water storage from 2,700 to 52,000 litres. Their robust construction and modular design make them ideal for residential, commercial, and agricultural applications — including vehicle-loadable installations under driveways and trafficked areas.
These tanks can be tailored to your project’s requirements with a full suite of add-ons, including pedestrian or vehicular covers, pump systems, filter packages, and telescopic extension risers.
For large-scale needs, multiple Carat tanks can be connected to create a scalable and sustainable water management system.
Browse the full GRAF Carat range today and build your ideal underground solution for non-potable water storage that’s built to last.
