seal disposable vacuum dust bags with fourlayer filtration Fourlayer construction: two precise nonwoven surface layers plus two meltblown fiber filter layers for reliable capture of particles. filtration performance: filters 99.9% of dust and fine dust particles, reducing airborne recontamination. Strong airtight seal: specially designed closure keeps dust, dirt, and debris locked inside once collected. absorbent and airtight compared with traditional cleaning methods, minimizing dust release during disposal. Easy to handle with no dust clouds: simple removal and replacement help prevent secondary contact with dust. Why you need this product Keeps dust contained and prevents messy, airborne release when emptying your vacuum. Improves indoor air quality by trapping fine particles that ordinary bags or direct sweeping can miss. Protects family members and allergy sufferers from secondary dust exposure during cleaning. Key features at a glance Material: two nonwoven surface layers + two meltblown fiber filter layers. Performance: captures 99.9% of dust and fine particles. Function: strong seal and airtight construction for secure containment. Handling: designed for clean, lowdust removal and replacement. Practical applications Daily home cleaning: ideal for regular vacuuming in living rooms, bedrooms, and traffic areas to reduce dust buildup. Allergy and petsensitive households: traps fine dander and particles that trigger symptoms, reducing exposure during cleaning. Postproject cleanup: useful after minor renovations or craft projects where fine dust and debris are generated. Notes Designed for use as disposable vacuum dust bags with bagstyle collection systems. Follow your vacuum manufacturer's guidelines for proper fit and replacement.