To keep your vehicle windscreen in top tip spotless condition you need decosol decad25ff all weather screen clean and de icer just use less fluid and more water to get a good ratio mixture making anything up to 25 litres per bottle this is especially desired in colder climates where a thin layer of ice or frost accumulates on the windscreens surface eliminating the need to manually scrape the windshield or pour warm water on the glass the decosol decad25ff comes in a handy re sealable 500ml cont