CO₂ Diffuser - 3 in 1 It is practical diffusers available，3 function in one unit: CO₂ Bubble counter， Elbow and Refining the atomizer. Produces bubbles as small as a mist of CO₂， generating maximum possible diffusion on CO₂ in the aquarium. Undisputable quality and reliability. Easy to install.
Size: approx 37.2mm*26.4mm Thickness: approx 6mm(as the picture shown) Material:Glass
