General description The 15PCS Dust Bag for RV30/RV20/MiWhole M9 Lite Vacuums is designed to provide excellent sealing and dust containment. Made from high-quality materials, it effectively captures 99.7% of ultra-fine dust down to 0.3 microns. The auto-lock feature ensures that the dust bag seals completely when lifted, preventing any dust or dirt from escaping. Technical specifications Material: Non-woven fabrics Dust capture efficiency: 99.7% of particles down to 0.3 microns Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with RV30 Compatible with RV20 Compatible with R1 Edge Compatible with MiWhole M9 Lite Usage To maintain optimal performance, clean and replace the dust bag regularly. For allergy sufferers and pet owners, it is recommended to replace the dust bag every 2-3 weeks. The dust bag features a large capacity to collect more dust, reducing the frequency of replacements. Easy to replace without the need for special tools or professional