ACT Restoring Anticavity Fluoride Mouthwash, Mint Burst, 33.8 Fl Oz for $3.59 + FS with Amazon Prime

ACT Restoring Anticavity Fluoride Mouthwash, Mint Burst, 33.8 Fl Oz for $3.59.
You can s&s and unlock additional 5% savings.
Note: This is a bigger bottle 33.8 Fl Oz (unlike 18oz). Calculation shows this is a better deal per ounces compared to previous FP deals.
Link: https://www.amazon.com/dp/B01L4ND4O0