Corrosperse 84 Cleaning Agent £143.00 – £233.00 exc. VAT Rated 4.00 out of 5 Closed System Cleaning Agent Non-acidic & non-aggressive For pre-commission & older systems Dissolves and disperses Safely discharges to sewer* Safety Data Sheet emailed upon order. For business and contractors use only. Product unsuitable for public & domestic usage. Description and usage instructions below.