GRAFand#039;s platin flat rainwater tank has been designed for use in a domestic or commercial garden application and can be installed quickly due to only a shallow dig being required for the tank. Once installed, water from the tank can easily be put to use with your hose or sprinkler by using the water hose connection box, which you can opt to install somewhere in your garden or in the lid of the tank itself.Alternative uses for your harvested rainwater include washing clothing and using as conventional cleaning water. This water must not be used for drinking. The integrated filter system is situated directly below the lid of the tank and can be easily removed if inspection of the tank is required. The lid itself features a child-proof lock to ensure safety on a family property.This version of the GRAF platin flat rainwater tank features a 55kg shaft which is suitable for heavy vehicle traffic, along with the rest of the tank pieces including a telescopic mini PE lid, a filter packag