This car windshield effervescent tablet can help you a lot, just 1 piece tablet with 4 liters of water, you will get 4 liters of windshield glass washer, giving a cleanup to glass, greatly reducing the friction of the wiper blade and glass, and comprehensive protection to meet your long-term needs.
How to use it:
Open the water storage tank of windshield wiper.
Put in a piece of windshield glass concentrated washer tablet.
Pour water into the water tank.
Wash the windshield glass with a wiper.
Size: approx. 0.6 inches/ 1.5 cm in diameter
Color: as pictures show
Temperature requirements: over than -5 degree
20 / 40 / 60 / 100 x Car windshield glass tablets