cool quilt

Dispel smoke,clear up dust:negative ion can easily counteract the positive ion of smoke in the air.Ameliorate the structure of air:we need 13000 million negative ion every day,but the office or amusement place can only supply 200-2000 million,so it is easy to result in pneumonia,tracheitis and breath disease.Ameliorate lung:after breathing negative ion for 30 minutes,the lung can increase 20% oxygen and vent another more 14.5% CO2;Ameliorate heat function:low blood pressure.Ameliorate metabolism and improve sleeping.Improve ability of resisting disease.Negative ion is effective to irritability hay fever,bronchia asthma,and other disease.Sterilization and bactericial