ADA CO2 Beetle Counter (Limited Edition)

It is a CO2 bubble counter for large-size aquariums. It has a practical and playful design, and the bubbles can be easily counted as CO2 rises in a spiral. It is designed to be used with Pollen Glass Large or Pollen Glass Beetle. Handcrafted in Japan  Article Code Size - 102-204 φ52×H160（mm）*Fits 4/6 mm soft silicone tubing - Related Information Manual Download (in PDF format)