General description The Dust Bag for NEN170 Vacuum Cleaner Accessories includes 10 pieces designed for effective dust collection. Made from melt-blown and non-woven fabric, these bags can capture 99.7% of ultra-fine dust particles down to 0.3 microns, ensuring a cleaner environment. Technical specifications Quantity: 10 PCS Material: Non-woven fabrics Dust capture efficiency: 99.7% of particles down to 0.3 microns Measurement allowed error: +/- 1-3 cm Usage To maintain optimal performance, clean and replace the dust bag regularly. For households with allergies and pets, it is advisable to replace the dust bag every 2-3 weeks. The large capacity of the dust bag allows for more dust collection, reducing the frequency of replacements. Other information Easy to replace without special tools or professional skills. Using dust bags can extend the vacuum cleaner's service life and reduce cleaning equipment replacement costs. Note: Light reflection and different displays may cause color