Waterpik
Waterpik Aquarius Professional Water Flosser WP-660
Model WP-660
By MainBuyer Editorial Team · Published 2026-07-13 · Reviewed 2026-07-14
Quick answer
Is the Waterpik Aquarius Professional Water Flosser WP-660 worth considering?
A strong shortlist candidate for maximum countertop control where ten pressure settings matters more than requires permanent counter space.
Best for: Maximum countertop control
Reasons to consider it
- Ten pressure settings
- Large reservoir
- Broad tip selection
Who should think twice
- Requires permanent counter space
- Cord and hose need storage
Evidence and sources
What this assessment is based on
- Official manufacturer specifications and model identifiers.
- Retailer product information used to confirm availability and product positioning.
- Established independent review coverage and recurring ownership considerations.
- MainBuyer editorial judgement about suitability, limitations and value.
This is a research-based assessment. MainBuyer does not claim hands-on or laboratory testing unless a page explicitly says that testing took place.
Editorial standards
Commission rates do not determine our verdict or page order. See how we review products, our editorial policy and corrections policy.
Last editorial review: 2026-07-14