My single wiper does'nt smear at all, and i disagree with the view that the twin blade setup clears more of the screen. The single wiper only leave's 2 unswept bits in the very top corners of the screen. Somewhere your not likely to be looking, unless you like to plane spot whilst driving
Just my 2 peneth.
Stu

Just my 2 peneth.
Stu
