?Satisfied Guarantee?If you have any questions or suggestions on our product, please do not hesitate to contact with us, we will try to do our best to help you!. ?Protect Your Machine?The filters keep dust and dirt away from your machine, which can protect your health and make your device with you for many years. ?save money?Reusable filter frame can help you save money, replace every 2 weeks, ONE YEAR SUPPLY! It can also reduce plastic pollution. ?Filter Slots?Please keep these reusable filter frames after using. Assemble provided foam filter and ultra fine filter into reusable filter frames for next use. ?Package Included?The IBEET filter kit encompasses a total of 52PCS,includes 6 well assembled filters and 20 foam filters and 20 ultra fine filters.