Bacterial & Virus Filter Kit for Tilcare Mucus Relief Cleanser and Lung Expansion Exerciser Purifies the air - Removes 99% of bacteria and viral matter, preventing the recirculation of toxins. This improves the results of the Tilcare Mucus Relief Cleanser and Lung Expansion Exercise. This kit comes with 10 long-lasting, replaceable filters. The filters are disposable and typically need to be replaced every 1-2 weeks, depending on use. Keeps the device cleaner for longer - Makes the device much more comfortable and easier to use. There are no risks. Compatible only with the Tilcare Mucus Relief Cleanser and Lung Expansion Device. 62-11 .୨୧⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒⌒୨୧. * Shipping is not available on weekends and holidays. * Items may be removed from their packaging for shipping in simple packaging! * Due to long-term home storage, we are listing this as "Like New"! Thank you for your understanding! Thank you very much (⁎ᴗ͈ˬᴗ͈⁎)