P21S Wash Booster was developed to aid high speed driving on the German autobahn. Just add a pre-measured shot to your washer reservoir. Special booster detergents make ordinary fluid powerful enough to cut the toughest road grime, insect smear and salt films.
P21S Wash Booster works with plain water and all anti-freeze washer fluids.
Don't let greasy films and road grime impair your driving safety. Imported from Germany.