CO2 Quick Adapter Replacement for Cylinder Tr21-4 Male Compatible with Duo-quick QC Art Terra
- Compatibility: Fits many standard CO2 cylinders that have the conventional TR21-4 trapezoidal thread. After installation, you can now also use CO2 cylinders from previous versions, compatible with DUO, Art and Terra water acidifiers. High-quality material: Our CO2 adapter is made of high-quality brass, is rustproof / durable / high-strength, has higher safety, is not easy to damage and has a long service life. Easy to install: One end of the quick adapter connects to the Duo water acidifier and the other end of the TR21-4 to the 60-liter CO2 bottle. You must first remove the pink part from the bottom of the soda machine (press the pin to pull). For DUO and ART machines of the new version, a small piece of the bottle chamber container must be cut away so that the bottle can be inserted into the compartment. Efficient and economical: With this adapter you can continue to use your original CO2 cylinders and save yourself the hassle of changing in the store and the cost of replacing CO2 cylinders. Now you can also use CO2 cylinders from previous versions. Note: Before purchasing, please make sure that your CO2 cylinder including the valve is original (not Quooker), otherwise the Quick CO2 adapter may not screw in far enough to work in the new soda machine. Color: red Material: metal Package Contents: 1 x CO2 Quick Adapter 1 x Sealing Ring The above package contents only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.
Returns, Refunds and Replacements
Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.
Delivery Timeframe
Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows:
- For customers in Victoria, approximately 7-10 working days;
- For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days;
- For customers in WA, NT, and TAS, approximately 9-12 working days.

WHY IS MY ORDER BEING SHIPPED IN DIFFERENT PACKAGES?
If you have a multi-item order, each item may be shipped from the different international warehouse, depending on which one has them available the fastest. Alternatively, if an item is popular and on a bit of a back order, we might ship your items at different times, in different packages, to prevent holding up your order and to get it to you as fast as possible!
WHEN WILL I RECEIVE MY ORDER?
Orders are shipped out directly from any of our many domestic & international warehouses and they will do everything they can to get you your order as fast as they can! Due to the popularity of our offers, please allow an estimated 3-7 days for your order to arrive at the USA (varies from product to product). Please note, that due to the extreme popularity of our offers, these are only estimates.
WHAT HAPPENS IF MY ORDER GETS STUCK OR LOST IN THE MAIL?
All of our orders are sent with insured shipping and handling. If an order gets stuck at customs, sent back or even lost during the delivery process, we apologize! The postal service is out of our control. However, in cases like this, because the packages are insured, we will send you a new package with quicker shipping and full tracking, if possible. Please see our refund and return policy for when these might be applicable to shipping situations.
WILL I BE CHARGED FOR CUSTOMS AND TAXES?
The prices displayed on our site are tax-free in USD, which means you may be liable to pay for duties and taxes once you receive your order. Import taxes, duties and related customs fees may be charged once your order arrives at its final destination, which is determined by your local customs office. Payment of these charges and taxes are your responsibility and will not be covered by us. We are not responsible for delays caused by the customs department in your country. For further details of charges, please contact your local customs office.
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