303 Products Instant Windshield Washer Tablets, Qty:25, from Amazon via S&S – $7.10 or $8.35 non-S&S

https://www.amazon.com/gp/aw/d/B000FF76KM/
Not the lowest per the (3)Camels by $0.24. However, not a bad deal. It becomes cheaper with Subscribe & Save (S&S)
$8.35 without Subscribe & Save (S&S)
$7.10 with Subscribe & Save (S&S)
Description
303 Instant Windshield Washer Tablets are formulated to completely remove bugs, road film, dirt and grime leaving windshields sparkling clean. Each super-concentrated tablet makes up to 1 gallon of windshield cleaner. Simple, drop tablet in reservoir of clean water or add tablet to a gallon of water. Non-toxic, biodegradable, safe for rubber and paint.
About this item
Features
Super-concentrated with 3 times the cleaning power of ordinary wash
Each table makes one gallon of top quality cleaner
Easy to use, simple add 1 tablet to 1 gallon of water or drop in reservoir of clean water
Dissolves completely to remove bugs, road film, dirt and grime
Economical solution, 303 Instant Windshield Washer Tablets significantly reduce the amount of plastic containers in landfills