SCREENWASH CONCENTRATE: Introducing Prestone Extreme Performance Screen Wash, a super-concentrated windscreen washer fluid that’s tough enough to tackle driving conditions all year round - it’ll make light work of whatever the weather sends your way. HIGH PERFORMANCE CLEANING: Prestone Screenwash Winter ensures maximum cleaning power to remove stubborn dirt from your windscreen. It helps you drive in extreme conditions all year, by melting ice down to -18ᵒC and preventing dangerous sun dazzle. SMALL BUT MIGHTY: All the cleaning agents present in our ready-to-use screen wash are squeezed into this Extreme Performance bottle, so it’s strong enough to take on the dirt and road film, with a guaranteed streak-free finish. VERSATILE WINDSCREEN WASH: With our Concentrate Screen Wash, you dilute it to suit the season or conditions. As a guide - in winter use neat, autumn 1 part screenwash to 9 parts water, and in spring/summer 1 part screen wash to 19 parts water. OVER 90 YEARS OF EXCELLENCE: At Prestone, we have spent nearly a century offering solutions to your car troubles to make your life stress free. If you want vehicle oils & fluids to protect your vehicle and maximise performance, we have what you need.