Waterpik
Waterpik Aquarius Water Flosser WP-660
Buy it if you want the most proven countertop water flosser for braces, implants or gum health.

Illustration, not a photo of this exact model
COSLUS · Water Flossers
Cordless flosser for under $45. Great if you want to try water flossing at a low price.
Our verdict
Reader rating
No reviews yet. Own one? Be the first.
Researched: specs, expert tests and owner reviews How we evaluate
Where it ranks in our shortlists
Yes, for most people. It is the right buy if you want to try water flossing at a low price. We score it 7.9 out of 10.
$29–$45
Usual price range in the US. At or below $29 is a good deal. Paying more than the top of the range? Check another store, or wait for a sale.
Waterpik Aquarius Water Flosser WP-660
Usually $69–$99. Pick it if you want the most proven countertop water flosser for braces, implants or gum health.
Pros
Cons
| Reservoir | 300 ml |
|---|---|
| Modes | 4 |
No reader reviews yet
Own this product? Your experience helps the next shopper decide.
Reader reviews are written by visitors, not by our editors, and do not change our score. We remove reviews that are fake, off-topic or contain personal data.
Other water flossers we rate highly.
Waterpik
Buy it if you want the most proven countertop water flosser for braces, implants or gum health.
Waterpik
Buy it if you want a cordless water flosser for a small bathroom or travel.