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CO2 Empty Refill Box for Ninja Thirsti™

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Run out of CO2? Purchase the Thirsti refill box to be part of the CO2 refill program.

Once you receive the box, place your empty CO2 inside, adhere shipping label provided and send off to get two more canisters at 30% off.

What you get:

  • Refill Box that fits 2 60L Canisters
  • Free shipping
  • Prepaid Shipping Label
  • Use this box if you have empty CO2 and want to refill them at the discounted $41.99 for 2 CO2

Canada shipping not available

Learn more about C02 Refill Club.
$1.00
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Have empty canisters lying around and need a CO2 Canister return box? We got you covered. Place your order for a CO2 return box. The return box will be flat shipped with a return label, free of charge

  • * MORE DRINKS: Each canister makes up to 100, 12oz sparkling drinks.
  • * SUSTAINABLE: 100% Renewable CO2 and Reusable Canister
  • * EASY-TO-REPLENISH: Conveniently exchange empty CO2 Canisters for refill with Ninja Thirsti’s CO2 Refill Club.
  • * UNLOCK A WORLD OF PERSONALIZED DRINKS: Designed for the Ninja Thirsti™ Drink System for fizzy, personalized drink experience.

Product Dimensions15 in L x 7 in W x 2.75 in H
Weight0.441 lbs

Shipping & Returns

Free shipping on all orders of $99 or more. Orders of less than $99 may be subject to a $10 shipping fee. Free shipping on all drinkware, CO2 canisters and refill boxes. Free shipping on Ninja Thirsti™ Flavored Water Drops $30 or more.

Shipping not currently available to Hawaii, Alaska, Puerto Rico, and Guam. Orders shipped to Canada are subject to a 31 CAD surcharge. Canada shipping not available for Ninja Thirsti-related products (Drink System, CO2, Flavors).

Money Back Guarantee

SharkNinja offers a 60-day money back guarantee or a 90-day money back guarantee on purchases for select products. The applicable money back guarantee will be stated with your order. Money back guarantees are not available on Ninja CO2 canisters, refill boxes or Ninja Thirsti™ Flavored Water Drops.

  • CO2 Return Box
  • Prepaid Shipping Label
  • Use this box if you already have empty canisters and need to refill them at the discounted $41.99 for 2 canisters


Join our CO2 Refill Club and save 30% on future refills, plus free shipping.

See how it works and never be without bubbles.

Order 2 spare CO2. 1 canister comes with your Thirsti. Order 2 spares so you have 3 total.

Refill empty CO2. Place 2 empty canisters into the provided refill box.

Mail. Stick the shipping label to your refill box and mail via USPS.

Refill club. We'll automatically send you 2 new canisters to your door.

Use. Carbonate up to 60L per canister.

Get everything you need to quench your thirst.

Ninja Thirsti™ Drink System

The one-of-a-kind drink system that lets you personalize and create almost any drink you can think of.

Shop Thirsti
Energy Peach Mango, Splash Ripe Raspberry, Vitamins Lemonade, and Hydrate Strawberry Kiwi.

Ninja Thirsti™ Flavored Water Drops

With over 20 unsweetened and sweetened flavors across 4 drink lines, create a drink for any occasion.

Find your flavor
Three Ninja Thirsti CO2 canisters.

CO2 canisters and Refill Club

Make one-time canister purchases or join our free club for future savings and easy exchanges delivered right to your door.

Get CO2
CO2 Empty Refill Box for Ninja Thirsti™
$1.00