# Waterpik Ultra Plus WP-150: specs and price

**Price (US):** $79.99 at superdrug.com, as of 2026-07-27. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 water flossers we track it is #6 cheapest of 11; category median $79.99.
**Brand:** Waterpik
**Deskmark:** Silver Deskmark — pay-blind category standing 54/100, #4 of 10 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026 (last change 2026-07-27: $89.99 → $79.99)

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $79.99 |
| Brand | Waterpik |
| Type | countertop |
| Tank capacity (ml) | 650 |
| Pressure settings | 10 |
| Max pressure (psi) | 100 |
| Tips included | — |
| Power | corded |
| Runtime min | 1.5 |

## Where it stands

At $80, the Waterpik Ultra Plus WP-150 is #6 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 tank capacity of 650 ml is above the median of the 11.

## Price over time

Since 2026-06-27, the Waterpik Ultra Plus WP-150's price has fallen 11.1%, from $89.99 to $79.99. At $79.99 it is the lowest we have recorded.

## Frequently asked questions

**How much does the Waterpik Ultra Plus WP-150 cost?**

The Waterpik Ultra Plus WP-150 has a US price of $79.99, as of 2026-07-27.

**How does the Waterpik Ultra Plus WP-150 compare on price?**

At $80, the Waterpik Ultra Plus WP-150 is #6 cheapest of the 11 water flossers we track, where the median is $89.99.

**Has the Waterpik Ultra Plus WP-150's price dropped?**

Yes — since 2026-06-27 the Waterpik Ultra Plus WP-150 has fallen 11.1%, from $89.99 to $79.99.

**What is the lowest price the Waterpik Ultra Plus WP-150 has been?**

The lowest we have recorded for the Waterpik Ultra Plus WP-150 is $79.99 on 2026-07-27 — which is its current price.

**Is now a good time to buy the Waterpik Ultra Plus WP-150?**

At $79.99, the Waterpik Ultra Plus WP-150 is at the lowest price we have recorded since 2026-06-27.

**What are the Waterpik Ultra Plus WP-150's key specs?**

Waterpik Ultra Plus WP-150 (Waterpik): type countertop, tank capacity ml 650, pressure settings 10, max pressure psi 100, power corded. Full sourced spec sheet verified 2026-06-19.

Source: https://www.superdrug.com/toiletries/dental/air-water-flossers/waterpik-ultra-plus-water-flosser-wp-150/p/796103 (superdrug.com, accessed 2026-06-19)
Corroboration: https://www.waterpik.com/products/dental-water-flosser/WP-150-WF-02/ (accessed 2026-06-19)
Canonical: https://frontdeskreview.com/product/water-flossers/waterpik-ultra-plus-wp-150/
Cite: Per The Front Desk Review, the Waterpik Ultra Plus WP-150 price of record was $79.99 as of 2026-07-27 — https://frontdeskreview.com/product/water-flossers/waterpik-ultra-plus-wp-150/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl