Pack of 4 Sprayway Glass Cleaner 19 oz Cans – Link 
This has currently dropped in price on Amazon to its lowest at only $7.54!
These are highly rated with a top 4.8 star rating from over 100 reviews.
Note that this is an “Add-on Item” whcih ships with a minimum $25 Amazon order.
- Sprayway – sprayway glass cleaner 4 pack 19 oz cans
- Cleaning supplies
- Cleaning products