Waterpik · Updated June 2026
Waterpik Aquarius WP-660: price, specs & release date
Waterpik Aquarius WP-660, released 2013. Every price and spec below is linked to its source and dated — no guesses.
Source: waterpik.com verified ✓ corroborated verify in ledger
The Waterpik Aquarius WP-660 is listed at $99.99 on waterpik.com as of 2026-06-27, #7 cheapest of 11 water flossers (median $79.99); other retailers may be lower. It earns a Silver Deskmark — 42/100 pay-blind standing, #5 of 10 in class.
Verified Jun 27, 2026 · figures linked to their source in the table below
Is the Waterpik Aquarius WP-660 a good buy?
At $100, the Waterpik Aquarius WP-660 is #7 cheapest of the 11 water flossers we track, where the median is $89.99. On the spec sheet, its pressure settings of 10 is the highest of the 11, its runtime min of 1.5 is the highest of the 8, and its release of 2013 is the lowest of the 7. By release date, it is the oldest of the 7 we date.
Specifications
| Price (US) | $99.99 MSRP $99.99 (frequently on sale ~$59.99) on official Waterpik store |
|---|---|
| Brand | Waterpik |
| Released | 2013 |
| Type | countertop |
| Tank capacity (ml) | 651 |
| Pressure settings | 10 |
| Max pressure (psi) | 100 |
| Tips included | 7 |
| Power | corded |
| Runtime min | 1.5 |
Source: waterpik.com (verified 2026-06-19) · corroborated by store.waterpik.com. Re-verified on official waterpik.com product page: 22 oz / 651 ml reservoir, 10 pressure settings (10-100 PSI), 7 tips (4 Precision, 1 Orthodontic, 1 Pik Pocket, 1 Plaque Seeker), $99.99 MSRP. ~90 s (1.5 min) runtime per reservoir stated on the page. Release year ~2013 per Amazon ASIN B00HFQQ0VU. Tank corrected 650->651 ml to match official 22 oz figure.
Is the Waterpik Aquarius WP-660 worth it vs cheaper water flossers?
Waterpik Aquarius WP-660 against its closest cheaper and pricier water flossers on the specs that matter — every value sourced. See all 11 ranked
| Product | Price | Type | Tank capacity (ml) | Pressure settings | Max pressure (psi) | Tips included |
|---|---|---|---|---|---|---|
| Waterpik Aquarius WP-660 this | $99.99 | countertop | 651 | 10 | 100 | 7 |
| Waterpik Ultra Plus WP-150 | $79.99 | countertop | 650 | 10 | 100 | — |
| Philips Sonicare Power Flosser 3000 HX3806 | $109.95 | cordless | 250 | 3 | — | 2 |
Frequently asked questions
How much does the Waterpik Aquarius WP-660 cost?
The Waterpik Aquarius WP-660 has a US price of $99.99 (MSRP $99.99 (frequently on sale ~$59.99) on official Waterpik store), as of 2026-06-19.
How does the Waterpik Aquarius WP-660 compare on price?
At $100, the Waterpik Aquarius WP-660 is #7 cheapest of the 11 water flossers we track, where the median is $89.99.
When was the Waterpik Aquarius WP-660 released?
The Waterpik Aquarius WP-660 was released 2013.
What are the Waterpik Aquarius WP-660's key specs?
Waterpik Aquarius WP-660 (Waterpik): type countertop, tank capacity ml 651, pressure settings 10, max pressure psi 100, tips included 7. Full sourced spec sheet verified 2026-06-19.
Price of record: $99.99 at waterpik.com, 2026-06-27. Other retailers may be lower — check the current price:
See Waterpik Aquarius WP-660 on Amazon As an Amazon Associate we earn from qualifying purchases.Similar water flossers
Nearest in price — swipe to browse. Every pick sourced and dated.
All water flossers ranked · Open data & methodology · Queryable via MCP
Compare with
Head-to-head
- Waterpik Aquarius WP-660 vs Philips Sonicare Power Flosser 3000 HX3806
- Waterpik Aquarius WP-660 vs BURST Water Flosser
- Waterpik Aquarius WP-660 vs Bitvae C2 Water Flosser
- Waterpik Aquarius WP-660 vs Nicwell Water Flosser F5025
- Waterpik Aquarius WP-660 vs h2ofloss HF-9
- Waterpik Aquarius WP-660 vs Coslus C20 Water Flosser (F5020E)
- Waterpik Aquarius WP-660 vs Panasonic EW1511
Cheaper water flossers
- Waterpik Ultra Plus WP-150 $79.99
- BURST Water Flosser $69.99
- Nicwell Water Flosser F5025 $59.99
- h2ofloss HF-9 $43.9
- Coslus C20 Water Flosser (F5020E) $42.99
- Bitvae C2 Water Flosser $26
Step up
- Philips Sonicare Power Flosser 3000 HX3806 $109.95
- Panasonic EW1511 $109.99
- Waterpik Sonic-Fusion 2.0 SF-04 $199.99
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