10 litre bag of virgin DI (deionizing) resin. Will 'polish off' your water to make it 100% pure. We recommend the use of this resin in an appropriate vessel with an RO beforehand in all but the softest water areas to prevent excessive usage of the DI resin. Suitable for most types of deionisation system including our own resin Vessels.
You will not find this top grade deionizing resin cheaper anywhere else!