Graf Underground Wastewater Treatment Tank.

About the product
The Carat-S and One2Clean are the perfect combination for affordable and effective wastewater treatment.

- The Carat-S is the only underground tank in the market that supports vehicle loading, making it easy to assemble which makes it adaptable to the client's needs.
- Our water treatment systems provide the best outputs in the market with an efficiency factor of 98% and a BOD5 level of 5 mg/l; and yet, we still remain affordable and we are not the most expensive solution in the market.
- Our products are produced in Germany and undergo strict quality controls, which gives them a warranty of 25 years.
-We
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