Compatibility: The vacuum replacement filter compatible for Proscenic P11/P10/P10Pro/P11 Pro U11 handheld vacuum cleaner. Please do check the model number for your vacuum cleaner before make the purchase. and Efficient Filtration: The filters can keep your vacuum and efficient while reducing dust entering the air you breathe. Eco Friendly: Made with high strength and eco friendly ABS materials, the filter keep your household vacuum in optimal condition. Vacuum Cleaner Accessories Filter: Perfect replacement of old, and unusable consumables extends the life of the vacuum cleaner. Regular Replacement for Optimal Performance: As part of normal maintenance, it can be easily removed and replaced. It is recommended to replace attachments every 2‑3 months according to the frequency of use to keep the machine inworking order. High efficiency air filters can greatly improve air quality and reduce particle size by 99.97%. Helps to remove household dust, pet dander, etc. Type:Vacuum Cleaner Accessories Quantity:1PCS/3PCS/2PCS Colour:Blue Material:Plastic Package Contents: 1 * Filters / 3 * Filters / 2 * Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.