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Comma Xstream Screenwash

Our winner is a sort of hybrid: it’s ready mixed for winter, but has a dilution table.

Comma Xstream Screenwash
Overall Auto Express rating

5.0

Best buy

Our winner is a sort of hybrid: it’s ready mixed for winter, but has a dilution table. When neat it’s good for -26 degrees Celsius, yet diluting makes it cheaper – and it still works well. It lasted over 90 minutes in the freezer, plus it worked well on the screen. It left just small traces of the bugs, and made good inroads on the oil. Competitive price whatever the concentration.

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