Made of high quality material, more . Filter dust, filter exhaust air, protect vacuum cleaner motor Reduce dust, pollen and other allergens in the air you breathe Washable and reusable filters, simply rinse with water and let them air dry completely before reusing It is recommended to replace the filters every 3 to 4 months. It depends on your usage. A dirty filter can reduce the suction efficiency. Alternative to: A32SV720N Filter Suitable for: PCL720 18V ONE+ Vacuum Cleaner, PBLSV716 18V ONE+ Pet Vacuum Cleaner, PBLSV717 PBLSV717K 18V ONE+ Vacuum Cleaner with Dual Roller Bar. Please note: there is color difference or difference in kind, please don't worry! Material: Plastic Color: As shown Package Contents: 6 x Filter 1 x Clean Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.