How much money dust-free purification cotton swabs2

Feel free to buy, medical cotton plays an important role in our daily life, how much is the dust-free purification cotton swabs? Clean cotton swabs after dealing with the 10 k clean room of medical cotton products, can achieve does not contain silicone oil, amino compounds and phthalates, ultra-low non-volatile residues, dust particles and low ion content. Dust-free purification cotton swabs for sterilization products, can be at ease use. Method of use can be used to open a bag. Can be directly deal with the wound. But be careful to clean swab should be stored in the relative humidity of not more than 80%, no corrosive gas and indoor ventilated, avoid high temperature. Dust-free purification swab can be purchased in many places, but due to the price of each place is different, so I can't give a correct price, but due to the material is common fiber, cotton swabs, so is not very expensive price, a lot of people can accept.