We have air blowing bottle machines and ultrasonic water washing bottle machines, air blowing bottle machines are suitable for Sterilized plastic bottles and glass bottles,with the function:From the compressed air,there is a filter core pump,filter oil and water from the air,then compressed air become to be clean air,in the washing nozzle,there are 2 mouthes,one for sucktion,the other for exhaust,when the sucktion mouth suck the dirty air from the bottles,it would be exhausted into the exhaust mouth,would not into the air to pollute the air,ultrasonic water washing bottle machines,mainly use the high frequence ultrasonic vibrate to clean the bottles,which could clean the bottles completely,usually for glass bottles.