Today, live on the Yenisei TV channel, the Nanofiber team answered the most popular questions about window filters. They talked in detail about exactly how the Nanofiber filter works and why it is the most effective air purifier in city apartments. Our experts reminded us that it is very simple to protect your home from dirt, dust and annoying drafts: just leave a request on the nanoset.rf website or call: 205-26-18.