COSLUS deals

Every COSLUS product we track, with the ones currently below their normal price first.

Products tracked

On sale now

Best discount

44%

Median price

$29.24

Compare before you buy

Comparison

Waterpik WP-583CD vs COSLUS C20: Compare Tank Size and Included Setup

Waterpik’s U.S. page for the blue WP-583 Cordless Advanced 2.0 lists a 7 oz (207 mL) reservoir; COSLUS lists 300 mL for C20 (F5020E).

Read the decision guide →

5 deals · 1 more tracked

16% offDropped yesterday

COSLUS

COSLUS ADA Accepted C50 Water Dental Flosser, 4 Modes 5 Power Levels, Pink | Professional Water Teeth Pick for Braces, Orthodontics & Sensitive Gums, Compact Cordless for Family Home Travel

$28.49~~$33.99~~

Prime membership required

Price checked Nov 6, 2026, 12:05 PM PST

44% off

COSLUS

COSLUS ADA Accepted C51 Water Dental Flosser, 3 Modes 6 Pressure, White | Water Teeth Pick for Orthodontic, Braces, Sensitive Gums, Multiple Users, Compact for Travel Built-in Nozzle Storage

$19.99~~$35.99~~

Prime membership required

Size: 300ML Water Tank

Price checked Nov 6, 2026, 12:05 PM PST

16% off

COSLUS

COSLUS ADA Accepted C20 Water Dental Flosser Pick, Professional Set Pink | 300ML Larger Tank, Portable Rechargeable Dental Oral Irrigator for Orthodontic & Sensitive Gums, Cordless for Travel, Family

$35.98~~$42.98~~

Size: 300ml

Price checked Nov 6, 2026, 3:40 PM PST

Observed offer ends Nov 10, 2026, 11:59 PM PST

16% off

COSLUS

COSLUS ADA Accepted C20 Water Dental Flosser Pick, Professional Set Black | 300ML Larger Tank, Portable Rechargeable Dental Oral Irrigator for Orthodontic & Sensitive Gums, Cordless for Travel, Family

$35.98~~$42.99~~

Size: 300ml

Price checked Nov 6, 2026, 1:43 PM PST

Observed offer ends Nov 10, 2026, 11:59 PM PST

18% off

COSLUS

COSLUS C30 Water Dental Flosser, Upgraded DIY Mode, Black, 1Pcs | 300ML Larger Tank, 4 Modes Portable Teeth Pick for Family Gentle & Precision Oral Care, Cordless Portable for Home Travel Use

$19.95~~$24.49~~

Size: 300ML Lager Tank

Price checked Nov 6, 2026, 11:14 AM PST

Observed offer ends Nov 10, 2026, 11:59 PM PST

Below: not currently discounted — showing everything we track

These sit at or above their own normal price. We keep them here so you can see the current price and decide whether to wait.

COSLUS

COSLUS T40 Travel Water Flosser for Teeth, Cordless Portable Design, Black | Compact Oral Irrigator, Built-in Tip Storage, 4 Modes for Braces, Orthodontic, Sensitive Gums, On-the-Go Use, IPX7 Waterproof

$29.99

Confirm offer eligibility on Amazon

Size: 6.5 x 2.5 Inch

Price checked Nov 6, 2026, 9:37 AM PST