Free: Aquarium CO2 Counter Bubble Valve-Regulator Diffuser Single-Head Dual-Head New - Fish - Listia.com Auctions for Free Stuff

Aquarium CO2 Counter Bubble Valve-Regulator Diffuser Single-Head Dual-Head New

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  • Free shipping (United States)
Please choose Single or Dual Head!!
100% brand new and high quality
Material: Aluminium Alloy
Color: Silver
Due to the bubble counter, you can clearly know the volume of carbon-dioxide through the rising air bubbles from the bottom to regulate the carbon-dioxide supply for plants in the fish tank
Additionally, it features a non-return function to prevent the backflow when the pressure changes
It is made of tough material, so it is durable and reliable
A small thing will make your fish tank different
Small and compact
Easy to install and replace
Size: See the picture
Quantity:1 PC

Shipping in 3-5 working days via Unregistered Airmail from Hong Kong, SO CAN'T TRACK ONLINE
Delivers in 4-7 business weeks.
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Thank you, Have a nice day!

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