1. For Philips FY1700 / AC1711 / AC1715
2. The three-dimensional pleated filter design significantly increases the filtration area, enhances the air contact volume, and achieves faster purification speed and higher clean air volume
3. The filter edge is equipped with stable fasteners, ensuring strong sealing and stable usage
4. It is recommended to replace regularly to ensure the best purification effect
5. The replacement is simple and does not require professional tools. It can be disassembled and assembled by hand