External Co2 Diffuser Aluminium Alloy Atomizer Diffuser with Bubble Counter


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Our aquarium CO2 diffusers produce a fine mist of CO2, with turbulent mixing and high saturation in the system, which allows enhanced availability and absorption of the CO2 in the aquarium for optimum plant growth. The diffuser has a replaceable ceramic disk and a built-in check valve and a bubble counter.

WARNING: Beware of cheap CO2 accessories for sale on large ecommerce sites. They are not made to the required standards for handling CO2, and can be dangerous in many ways. Refer to our blog on different manufacturing levels on aquarium products.

Size: 12mm

  • 12mm
  • 16mm
Out of stock

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  • Size: 12 x 6.5 x 2.5 cm (4.7 x 2.5 x 0.9 inches).
  • It can be used with a standard 1/2”(12mm) or 5/8“(16mm) hose.
  • The external co2 diffuser is made of premium aluminum alloy and acrylic materials.
  • An anti-lock off function prevents detachment due to pressure.
  • It allows enhanced availability and absorption of the CO2 for optimum plant growth.
  • Built-in check valve and bubble counter.
  • Replaceable Ceramic disc for ultra fine mist.
  • Inline mounting also reduces algae growth on diffuser disc.
  • Warning: There are several replicas of this product available that are poorly constructed. We guarantee our diffusers are made from high-quality materials that have been put through a rigorous QC process.


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External Co2 Diffuser Aluminium Alloy Atomizer Diffuser with Bubble Counter