Oasis Water Guard, For Use With Oasis Water Coolers, Fits Brand Oasis - 033964-022

Marsoni

M251S

$36.94

Get it in 3 business days with 1 day shipping. Friday, May 29

Oasis Water Guard, For Use With Oasis Water Coolers, Fits Brand Oasis - 033964-022WaterGuard system helps reduce spills during bottle changes and reduces the chance for dirt and dust to enter the cooler reservoir. Just peel off the label and place the bottle on the probe that pushes in the inner cap.

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I rely on these nightly to combat dry mouth, and they deliver exactly what is promised. The adhesion mechanism is impressive—once placed against the gum, the disc stays securely anchored for a full 6–8 hours without shifting, allowing me to sleep without interruption. The profile is ideal; the discs are incredibly slim and unobtrusive, so you don't feel like you have a bulky object in your mouth while trying to fall asleep. Despite being so compact, they pack enough moisture to last until morning. The Berry flavor is mild and soothing, making it a perfect bedside companion. Highly recommended.

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Reviewed in the United States on February 11, 2026

Verified Purchase

Gabrielle Grim

Grantham, US

★★★★★ 5

Excellent product for dry mouth

Scent Name: Berry, Size: 100 Count

If you are having trouble with dry mouth, especially while sleeping, this is definitely the product for you. I have severe dry mouth and have tried multiple things including hard candy (yes, I know not very smart) as well as different biotin products, the mouthwash, the spray and the gel, which all do work, but do not last for very long. These stay in place open the corner of your mouth, last for hours and truly work. I highly recommend it if you are having a dry mouth issue

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Reviewed in the United States on February 5, 2026