1Using precision ceramic tube, let CO2 full dissolved in water, supply water grass absorption and utilization. 2Nut locking tooth designed, can safely lock the air pipe. 3Atomizer shall used in conjunction with water plant meter with working pressure of 2kg/cm2 or above. 4Made of high quality materials, sturdy, durable and long service life. 5Two sizes for you to choose, to meet different needs and requirements.