Specifications:
This CO2 bottle cap is suitable for most kinds of DIY reactor.
It is easy to use that you just need to screw the bottle cap on the drink bottle.
Plastic material makes it uneasy to rust and safe for your fish and water plant
With the 2 holes, you can add both tube and other tool like bubble counter or other things to help you control the process.

Item Name: CO2 Bottle Cap
Material: ABS
Features: Easy to Use, Anti-rust, Durable
Size: 3.5cm x 3.5cm x 3.5cm/1.38" x 1.38" x 1.38" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

The quality is durable enough, so you don't have to worry about damaging it.. The quality is durable enough, so you don't have to worry about damaging it.
The product has a strong and sturdy design to ensure good quality.. The product has a strong and sturdy design to ensure good quality.

Package Includes:
1 x CO2 Bottle Cap
1. We acceptPayPal,Credit card,Debit card,Apple Pay,Google Pay ect as payment.
2. Please be sure your shipping address is correct before make a payment.

1. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
2. Items will be shipped within 1-7 business days when we received payment.
3. Delivery time depends on destination and other factors.
4. International buyers please note:

a. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer's responsibility. We will try our best to reduce the risk of the custom duties.
b. Please check with your country's customs office to determine what these additional costs will be prior to buying.

30 DAY RETURN POLICY
Customer Satisfaction is our main goal, all items are quality checked prior to being listed and sent out. Please contact us prior to leaving any Negative Feedback and allow us to make things right!
If you not satisfied with it please include the original packaging and return form & tracking number otherwise the return may take longer to process the refund. Once we have received the item and inspected it we will issue the refund or resend within 1-7 business days.
Please contact us in time if any enquriy under any circumstances. We greatly appreciate your positive feedback and we'll do the same to you. We care about our valued customers, and will always try our best to help you, if you have any problems. Working time: GMT+8 / 9:00-18:30 in normal we will reply you in one working day.