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This 300mm diameter Van De Graaff is a special model with a special large ball for customers that must have the biggest.
Please note that the standard "large" series Van De Graaff unit in the range is 250mm diameter ball. The ball mounts on an insulation tube that protects the belt, however the bottom of the belt and the top of the belt are both accessible including both combs. The belt is a long-lasting silicone rubber with excellent performance and reliability.
Unit is easily dismantled down to separate components for convenient transporting.
Use under appropriate supervision
