[Filter Slots] Please keep these reusable filter frames after use. Assemble the provided foam filter and finely ground filter into reusable filter frames for next use. [Save Money] Reusable filter frame can help you save money, replace every 2 weeks, one year supply! It can also reduce plastic pollution. [Protect Your Machine] Filters keep dust and dirt away from your machine, which can protect your health and make your machine stay with you for many years. Color: White + Blue Material: Plastic + Cotton Content packages: 6 * reusable filter slot 6 * disposable ultra-thin filters 20 * foam filters 20 * fine-fine filters Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing . The measurement error is +/- 1-3cm.