Prestone PSCW0026A Extreme Performance Screen Wash, Yellow, 2 Litre £3.50 @ Amazon (£4.49 p&p non prime)

£3.50 – Amazon
Prestone Concentrated Screenwash works down to -18°C. Prestone Concentrated Screenwash New formula with hydro-dynamic technology to repel road spray and dirt. For Summer and Winter motoring, 1 Litre makes 20 litres of Summer screenwash

Features & details
melts ice down to -18°c
prevents dangerous sun dazzle for maximum visibility while driving
auto express best buy
new improved streak free formula
easy pour bottle to help you top up
Included components: 2 Litres Screen Wash Fit type: Universal Fit