What payment methods are available on Joom?

Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.

Can I pay for an expensive purchase in installments or later?

Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.

Can I track my order?

Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.

What happens if my order doesn't arrive?

Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.

Is it safe to pay on Joom?

Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.

What if my order doesn't arrive or the product isn't as expected?

If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.

How do I request a refund?

Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.

4.37in CO2 Atomizer Nuts Lock System Bubble Counter Safety Carbon Dioxide Diffuser Fish Tank

Name: 4.37in CO2 Atomizer Nuts Lock System Bubble Counter Safety Carbon Dioxide Diffuser Fish Tank
SKU: 6aeb2ecf5e1e7701f67006dd
Price: 32.61 EUR
Availability: InStock

Current price

Price €32.61

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Free delivery to the United States

11 November

Secure checkout & data protection

No-delivery refund

Quality guarantee

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Description

Label:Yes 5. Transparent viewing section lets you check bubble status, supporting steady gas supply adjustment 4. External mounting design saves inner tank space, neutral tone casing matches most aquarium setups 3. Built with locking nut structure to secure gas and water hoses and stop connectors from coming loose 2. Adopts tube-style atomization core for broader atomizing area, works under pressure starting at 0.15MPa to produce fine mist 1. Compatible with 12mm(0.47in) inner diameter water tubing and 4*6mm(0.16*0.24in) air tubing, total height reaches 111mm(4.37in) for external tank setup

Item Type: CO2 Atomizer Material: Plastic Suitable for water pipe inner diameter: 12mm(0.47in) Suitable for air tube: 4*6mm(0.16*0.24in) Water pipe connector outer diameter: 12mm(0.47in) Air tube connector outer diameter: 5mm(0.20in) Total height: 111mm(4.37in) Use: Fish Tank, Aquarium Carbon Dioxide Atomizer

Package Iist: 1 x CO2 Atomizer Instructions: 1 When leaving the factory, the atomizer is not tightened and needs to be tightened by the customer 2 Do not use hardware tools such as wrenches to install or disassemble the product to avoid damage to the product 3 The atomizer uses a accurate ceramic atomization tube, which needs to be completely saturated with water to achieve a good atomization effect. This time generally takes 24-48 hours 4 The product needs to be installed with a check valve and bubble recorder before it can be used (the two need to be prepared by the user) 5 The external atomizer will make a slight "squeaking" sound during use. This is not a leak, but the sound of CO2 gas after atomization. Note: The pressure reducing watch has a check valve function, and an additional check valve is required to allow the water body to flow back.

Installation Steps: 1 Tighten the upper and lower shells with both hands, do not use brute force or hardware tools such as wrenches to operate 2 Do not tighten the air pipe locking nut too tightly, otherwise the air pipe will be damaged. Just a little bit tightness

JTRbfgweyo

4.6

418

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1,000+

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Frequently asked questions

What payment methods are available on Joom?
Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.
Can I pay for an expensive purchase in installments or later?
Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.
Can I track my order?
Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.
What happens if my order doesn't arrive?
Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.
Is it safe to pay on Joom?
Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.
What if my order doesn't arrive or the product isn't as expected?
If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.
How do I request a refund?
Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.