General description 100% made of high-quality, environmentally friendly materials, this 21PC set includes essential components for maintaining your T20 cleaning device. The dust bag, crafted from melt-blown and non-woven fabrics, effectively captures 99.7% of ultra-fine dust particles down to 0.3 micrometers. The HEPA filter enhances cleaning performance by blocking most dust and allergens, ensuring cleaner air in your home. The mop cloth boasts strong and long-lasting cleaning power, easily tackling various stains such as footprints, juice residue, and oil stains. It is recommended to replace these spare parts every 2 to 3 months, depending on usage frequency, to keep your machine operating at peak performance. Technical specifications Material: Plastic Dust bag captures 99.7% of particles down to 0.3 micrometers HEPA filter blocks dust down to 0.3 micrometers Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with T20, T20 OMNI, T20 MAX, and T20 PRO