CW1: 100 Classic Windshield cleaner for the windscreen washer, 1710, 250 ml (Automotive)
I use the wash concentrate since exactly a year for 2 cars and the bottle is now just half empty. Tip when I look in retrospect that I had spent a year at the 16 (2x 6 Winter and 2x 2 summer). In winter I like the way conventionally mixed my mop wate
