Waterpik Cordless Pulse WF-20 Rechargeable Water Flosser, Blue

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Product guide

Waterpik Cordless Pulse WF-20 Rechargeable Water Flosser, Blue

WF-20 Blue: Waterpik Cordless Pulse is a rechargeable portable water flosser with two tips, two pressure settings and a 6 oz reservoir. Its compact cordless format and shower-use claim suit travel and smaller bathrooms, though customers report concerns about tank size, battery life and durability.

At a glance

Two low/high pressure settings and two Classic Jet tips are listed for everyday flossing.
The 6 oz removable reservoir is stated to provide up to 45 seconds of flossing per fill and is top-rack dishwasher safe.
Rechargeable lithium-ion battery with recharge indicator. USB charging cable is described, but the wall adapter is not included.
The listing claims waterproof shower use and describes a non-slip grip and quiet flossing technology.

Price

$66.14Save 18%

Reference price: ~~$81.00~~

Price checked: 13 Nov 2026

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Often bought together

Waterpik Cordless Pulse Rechargeable Portable Water Flosser for Teeth, Gums, Braces Care and Travel with 2 Flossing Tips, Waterproof, ADA Accepted, WF-20 White

$67.18

Pros and cons

Pros

Portable rechargeable design is suited to travel or bathrooms with limited counter space.
Two pressure settings and two general-use tips are listed.
The removable reservoir is described as top-rack dishwasher safe.

Technical specifications

12 specifications

Identity
Brand	Waterpik
Model	Cordless Pulse Water Flosser

Power and battery
Power configuration	Battery Powered
Battery	1 Lithium Ion batteries required. (included)

Dimensions and installation
Dimensions listed	9.4 x 6.4 x 30.2 centimetres
Weight listed	0.65 Pounds

Flossing and design
Pressure settings	2 safe and effective settings (low/high)
Reservoir capacity	6 oz
Maximum floss time per fill	up to 45 secs floss time
Tips included, as claimed	2 Waterpik Classic Jet tips
Colour	Blue
Waterproof use	waterproof for shower use

What to know before buying

The listed up-to-45-second run time applies to flossing per reservoir fill, not battery runtime. The listing does not specify operating time per battery charge.

Listing details to confirm

The listing uses WF-20 in the title and describes the product as WF-20CD010 in one description, while the model details give WF-20CD013. It also lists dimensions as 9.4 x 6.4 x 30.2 centimetres in one field and 9.4 x 6.35 x 30.16 cm; 294.84 Grams in another, and weight as 0.65 Pounds. Confirm the exact model and measurements for the selected listing. The reservoir is listed as 6 Fluid Ounces in details and 6 oz in feature copy. A USB charger or USB-C to USB-A cable is claimed in the feature and description text, but the box inventory is not supplied. The wall adapter is explicitly stated not to be included. Check the selected listing for the charging item supplied.

Who is it for?

A good fit for

Travellers and people with smaller bathrooms who want a rechargeable cordless flosser.
Buyers seeking low/high pressure choices and two tips for general use.
People who want a flosser described as suitable for shower use, subject to the listing's waterproof claim.

Less suited to

Buyers who prioritise a larger water reservoir or want fewer refills. Customer feedback raises concerns about tank size.
Buyers unwilling to accept reported concerns about battery life and durability.

Waterpik Cordless Pulse WF-20 Rechargeable Water Flosser, Blue · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 6,818 ratings

5 stars66%66%
4 stars16%16%
3 stars8%8%
2 stars3%3%
1 star7%7%

Customer feedback describes the flosser as effective at removing debris between teeth and easy to use, while reports about quality and value are mixed. Battery life, durability and the small reservoir draw concerns, including reports of early breakage and frequent refilling. These concerns matter for frequent use or longer flossing sessions, particularly with a listed 6 oz reservoir and no stated battery runtime. Aggregate ratings lean positive overall but include a meaningful range of lower ratings, so they do not remove those reported trade-offs.

Positive themes

Customers describe it as effective at removing debris between teeth.
Customers appreciate its ease of use.

Negative themes

Customers report concerns about battery life and durability, including reports of devices breaking within three months.
Some customers consider the water tank too small and report needing to refill it.

Mixed feedback

Feedback on product quality and value for money is mixed.

Frequently asked questions

How many pressure settings does the Waterpik Cordless Pulse have?

The listing specifies two settings, low and high.

How much water does the reservoir hold?

It is listed as 6 Fluid Ounces, also described as 6 oz. The listing says this provides up to 45 seconds of flossing per fill.

Is a wall adapter included?

No. The listing says the wall adapter is not included. Its cable and charger wording is inconsistent, so confirm what charging item comes with the selected listing.

Can it be used in the shower?

The listing claims it is waterproof for shower use.