Semi-automatic Aquarium Clean Vacuum Water Change Changer Gravel Aquarium Simple Fish Tank Vacuum Siphon Pump Cleaner
11.44 9.95 $
ZRDR specializes in producing CO2 production equipment
Attention:
Suitable for side cylinder nut docking:
R104-A: Model/threaded interface: W21.8 G5-8 CGA320 M22 G3/4
Suitable for upward facing cylinder nut docking:
R104-B: Model/threaded interface: W21.8 G5-8 CGA320 M22 G3/4 TR21 5/8UNF 3/8UNF
Note: (Purchase the corresponding nut model to avoid nut docking problems)
The threaded connection must be confirmed before ordering.
You can view the detailed product description (model and purpose)
Material: aluminum alloy+304 stainless steel
Size: As shown in the figure
Power supply: AC100-240V input DC12V output (global version)
Suitable for AC110V-AC220V power supply
Directly used in countries/regions using 110v or 220V power supplies
Plug: EU/US/UK/AU plug
Since this is a manual measurement, please consider 1-2cm and make sure you don't mind before ordering
Reminder: After the first installation, first turn on the power supply (let the solenoid valve work first), and then turn on the air pressure of the cylinder valve!
If you have any questions, please contact us)












We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
If you can't find the estimated delivery time on the product detail page, you can look at the following table for reference.
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
|---|---|
| United States | 7-25 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Mexico, Central America, South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information, but sometimes due to free shipping tracking is not available.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you’ve specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
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