General description This dust bag is specifically designed for the J15 Pro Ultra robot vacuum cleaner. It is made from high-quality non-woven fabric and blown material, ensuring excellent sealing that captures 99% of dust, dirt, and particles as small as 0.3 microns, effectively preventing leakage. Technical specifications Compatible with: J15 Pro Ultra robot vacuum cleaner Material: Non-woven fabric Capacity: 3 liters per bag Usage duration: Each bag lasts 4-5 weeks under normal conditions Package contents: 10 dust bags Measurement allowed error: +/- 1-3 cm Installation Replacing the dust bags is simple: lift the clip to remove the old bag and install the new one into the fixing groove. No contact with dust during replacement. Usage It is recommended to replace the dust bag every 2-3 months to maintain optimal performance of the robot vacuum cleaner. Other information Color: White Note: Light reflection and different displays may cause the color of the item in the picture to differ