Hygienic and Quiet Hand Pump - Hand pump save parents from germs and won't scare baby with the noise. Suprisingly, you will find your baby is more cooperative and willing to do the suction. Strong and Adjustable Power - The suction is much stronger than mouth and most electric aspirators. What's better, you can control the power level free with your hand. Comfortable and Safe Tip - The round nose tip won't go inside baby's nose and hurt baby's delicate nostril. You just need to put it againt or near the nose. Easy to Clean and Maintain - You just need to wash the mucus container after using as the air inlet is designed high so the mucus won't go inside the tube and pump. Made-in-Taiwan Quality - The quality and finishing is superb with 5 years working life. Most importantly, it doesn't require disposable filters which makes it cost-effective.