Product Price Water Pressure (PSI) Reservoir Capacity (ml) Flow Rate (L/min) Nozzle Count Pressure Settings Portable
Waterpik Classic Professional WP-72
US
£33.27 35 oz (1035 ml) 13 oz/min (384 ml/min) 3 6

The Waterpik Classic Professional WP-72 is a countertop water flosser with six pressure settings, on-handle control, and a large 35 oz reservoir providing about 90 seconds of flossing. It includes three tips and a special reservoir with a Pik Pocket tip, making it well suited to home users, gum-care routines, and periodontal-pocket cleaning.

★ Ideal for

This suits people seeking a water flosser with a large tank because its 35 oz (1035 ml) reservoir provides about 90 seconds of flossing before refilling.

Waterpik ION WF-12
US
£18.41 20 oz (591 ml) 13 oz per minute (384 ml per minute) 7 10

The Waterpik ION WF-12 is a rechargeable cordless water flosser with a 20 oz reservoir, 10 pressure settings, and seven flossing tips. Its compact design and long battery life suit people with small bathrooms, braces, implants, or other specialized cleaning needs.

★ Ideal for

This model suits people seeking a water flosser with a large water tank because its removable 20 oz (591 ml) reservoir provides about 90 seconds of flossing per fill.

Waterpik Ultra Plus WP-150
US
£479.87 10-100 PSI 651 ml 6 10

The Waterpik Ultra Plus WP-150 is a countertop water flosser with 10 pressure settings ranging from 10 to 100 PSI and a 651 ml reservoir that provides about 90 seconds of use. It includes six interchangeable tips, making it suitable for everyday cleaning and people with braces, implants, crowns, bridges, or periodontal pockets.

★ Ideal for

This product suits people seeking a water flosser with a large tank because its 651 ml reservoir provides approximately 90 seconds of continuous flossing before refilling.

Waterpik Promax WF-23
US
£110.90 20 oz (591 ml) 13 oz per minute (384 ml per minute) 5 10

The Waterpik Promax WF-23 is a compact countertop water flosser with a 20 oz reservoir, 10 pressure settings, SmartAdvance mode, QuietPulse technology, and five specialty tips. It suits individuals, couples, and families who want customizable cleaning, quieter operation, or specialized care for braces, implants, bridges, or sensitive gums.

★ Ideal for

It suits people seeking a water flosser with a large tank because its 20 oz (591 ml) reservoir provides more than 90 seconds of flossing before refilling.