Polyshield 400 25KG RO Scale Inhibitor £161.00 exc. VAT Compatible with all membrane types Increases life of RO membranes Reduces risk of future scaling Increases plant efficiency Avoids the need for acid dosing Enables systems to work at enhanced rates of recovery Safety Data Sheet emailed upon order. For business and contractors use only. Product unsuitable for public & domestic usage. Product description and usage details below.