Easy Installation:

• Graf's patented quick connection, makes it easy to assemble the Carat S tank in a matter of minutes without using any screws or fasteners.
• The profile sealings are high quality EPDM and have been laboratory tested to ensure a longevity longer than 25 years.
• A centering bolt helps you make sure you have the two shells aligned properly in order to prevent any leaks.

Additional Advantages:

• Highly durable because of modern manufacturing techniques
• Improved fit accuracy due to new industrial manufacturing techniques
• Production monitoring ensures you receive a high quality product
• Can be used for vehicle loading when used in conjuction with the cast iron lid cover.
• High quality manufacturing makes the tank safe for ground water storage up to half of the tank's level.
• Tanks are easily transported
• 15 Year Manufacturer's Warranty
• Systems can easily be expanded to meet future water usage requirements
• "USA Patent 7854338"

Rainwater Tank Applications:

• The Carat S tanks have been specially designed and manufactured for rainwater harvesting and collection.
• The modular system can be adapted to meet your specific application requirements - whether it be for the home or garden

Graf Carat XL Rainwater Retention Cisterns

• Carat XL Rainwater tanks feature optimized tank geometry and stabilization through the use of professional CAD development.
• Accurate fit of additional components because of high quality production environment
• High grade and consistent product quality
• Stable for groundwater up to half tank level because of high quality and durable construction
• Graf XL tanks comes with a 15 year manufacturer warannty
• System is easily adapted and expanded based on water requirements