Waterpik
Waterpik Aquarius WP-660
$99.99
Released 2013
Best Water Flossers · head-to-head
Waterpik Aquarius WP-660 vs Nicwell Water Flosser F5025
A sourced, side-by-side comparison. Nicwell Water Flosser F5025 is cheaper at $59.99. Every spec and price links to its source.
Nicwell
Nicwell Water Flosser F5025
$59.99Cheaper
Which is better: the Waterpik Aquarius WP-660 or Nicwell Water Flosser F5025?
On the specs we track, they're closely matched. The Nicwell Water Flosser F5025 is the cheaper at $59.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Waterpik Aquarius WP-660 | Nicwell Water Flosser F5025 |
|---|---|---|
| US price | $99.99 | $59.99 |
| Brand | Waterpik | Nicwell |
| Released | 2013 | — |
| Type | countertop | cordless |
| Tank capacity (ml) | 651 | 200 |
| Pressure settings | 10 | 4 |
| Max pressure (psi) | 100 | 110 |
| Tips included | 7 | 5 |
| Power | corded | rechargeable |
| Runtime min | 1.5 | — |
| Release | 2013 | — |
Sources — Waterpik Aquarius WP-660: waterpik.com (verified 2026-06-19). Nicwell Water Flosser F5025: nicwellonline.com (verified 2026-06-19).
What's the difference between the Waterpik Aquarius WP-660 and Nicwell Water Flosser F5025?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Type: Waterpik Aquarius WP-660 countertop vs Nicwell Water Flosser F5025 cordless
- Tank capacity (ml): Waterpik Aquarius WP-660 651 vs Nicwell Water Flosser F5025 200
- Pressure settings: Waterpik Aquarius WP-660 10 vs Nicwell Water Flosser F5025 4
- Max pressure (psi): Waterpik Aquarius WP-660 100 vs Nicwell Water Flosser F5025 110
- Tips included: Waterpik Aquarius WP-660 7 vs Nicwell Water Flosser F5025 5
- Power: Waterpik Aquarius WP-660 corded vs Nicwell Water Flosser F5025 rechargeable