IDS Aquarium Super Atomic CO2 Atomizer Diffuser Reactor for Plant Tank Atomizer used for a period of time long moss effect use effect of lavatory net available for a period of time to recover Install the atomizer in the bottom of the cylinder Aquarium equipment, super mist for waterplants The lock nut tooth system design, effectively by our fleet trachea, prevent loose to cause accident This CO2 Diffuser Atomiser (Size L) is for tanks bigger than 60cm