Best Water Flossers · Waterpik · Updated June 2026

Waterpik Aquarius WP-660: specs and price (2026)

Waterpik Aquarius WP-660 has a US price of $99.99 (MSRP $99.99 (frequently on sale ~$59.99) on official Waterpik store). Below is its full, sourced spec sheet — every value links to the source and the date we captured it.

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
release	2013

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.

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.

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.