Car windscreen washer additive: 600 ml at 375ml price. Normally $4.29, and now on sale for $3.
Currently $6.69 for 500ml at Supercheap Auto.
Enjoy.
Marketing blurb below:
Provides crystal vision under all driving conditions
Removes all road film, diesel spray, bugs etc. from the windscreen
Ideal for general cleaning of glass, windows and mirrors
Safe on all automotive paint finishes
Increases wiper blade lifeEliminates glare and streaking
Ideal for all cars and heavy commercial vehicles
It's not an additive. It is a windscreen/glass cleaner