This week in stores ShopWire（www.shopwire.cn） / 2009-10-28
Each box of idMask comes with 4 free pieces of filter.Clickhere to buy idMask(299yuan). Click here to buy Filter.(59yuan)
idMask is made with silica gel and can last for 10years.
A box of filter has 24 pieces (12 units). Click here to add a box of filters to your cart! I strongly recommend you to buy at least one extra box of filter that can be shipped for free when buying the idMask. Otherwise you have to purchase 3boxes of filters to get free shipping.