High quality. Made of high-strength and environmentally friendly material. Easy to install. Effectively filters fine dust. The filter screen helps maintain the sweeper's cleaning performance and reduces the amount of dust, pollen, and other particles released into the air. Recommended to replace every 1-2 months. Care Instructions: 1. Wash the filters regularly using warm, soapy water. 2. Ensure the filters are completely dry before reinstallation (allow up to 24 hours). Replacement part numbers: Part 140113881019 Dust Canister Filter, Part 140117409023 Filter. Compatible with Pure F9 models: PF91-6BW, PF91-6EB, PF91-6EG, PF91-6PR, PF91-5EBF, PF91-5BTF, PF91-6BWF. Color: As shown. Material: Plastic. Package Contents: 2 x Dust Canister Filter 2 x Filter Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.