Updated August 28, 2026

The Costco Waterpik Cordless Plus 5000 2‑Pack is now $80 with free shipping, a solid discount on this premium rechargeable water flosser. This deal gives you two units for the price of one typical retail set.

Why this water flosser deal stands out

  • Cordless design makes it easy to use anywhere in the bathroom.
  • 5000‑pressure settings provide a customized clean for gums and teeth.
  • Rechargeable battery lasts up to 10 minutes per charge.
  • Typical retail price for a 2‑pack is around $154, so you save over 48%.

How to grab the deal at Costco

  1. Add the 2‑pack to your cart and proceed to checkout.
  2. Enter your Costco membership details if prompted.
  3. Tap the SHOP HERE button above to complete the purchase.

Savings tips & price context

Costco often offers free standard shipping for members, so you avoid extra costs. Compare this $80 price to the $154 you’d pay at most drugstores or online retailers – the savings are clear. If you already have a Costco membership, you’re set. New shoppers can sign up for a free trial to access the deal without a long‑term commitment.

FAQ

Is the Waterpik Cordless Plus 5000 covered by a warranty?

Yes, Costco provides a limited warranty that covers defects in materials and workmanship for one year from the purchase date.

Can I use the flosser without water?

The device is designed to work with water or mouthwash. Using it dry will not provide the intended cleaning effect.

How long does the battery last?

A full charge delivers about 10 minutes of use, enough for a thorough flossing session. Ready to upgrade your oral care routine? Grab the Costco Waterpik Cordless Plus 2‑Pack for $80 and enjoy a cleaner smile. Check out more deals in our beauty section.

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