The glass Beetle Diffuser is a pollen style CO2Â diffuser that connects to CO2 injection systems, ideal for the planted aquarium. Comes in 27mm and 30mm. The large surface area of the disc allows for the diffusion of large volumes of CO2 gas, making the Beetle Diffuser an excellent choice for high-growth aquaria.
Compatible with 6mm (1/4″) – Standard Airline Tubing. Suction cups included.