The CO2 Mini Diffuser by DOOA is available in two sizes and of great help when supplying the aquarium with the important plant-nutrient CO2. This is especially important in aquascapes and plant aquariums to ensure a good plant-growth. FEATURES: Available in two sizes (10 AND 15 DIAMETER) Made of glass Inclusive 2 suction cups Effective CO2 atomizing DOOA - CO2 Mini Diffuser - 10 mm Diameter Diffuser 10mm Height Diffuser 1 cm Total height 8,5 cm DOOA - CO2 Mini Diffuser - 15 mm Diameter Diffuser 15mm Height Diffuser 1,5 cm Total height 8,5 cm NOTE *use soft silicone tubing to connect the glassware in order to reduce the risk of glass breakage. The piece of hose used should be kept as short as possible in order to avoid unnecessary CO2 losses Silicone hose is not pressure resistant and therefore can not be used for connection to the pressure regulator #DOOA #ADA #ScapeHorizon #MiniDiffuser