General description Replacement HEPA filters designed for Bissell vacuum cleaners models 1866, 1868, 1926, and 1785. These filters are made from high-strength, environmentally friendly materials, ensuring effective filtration and durability. Easy to install, they help maintain optimal performance of your vacuum cleaner. Technical specifications Material: Plastic Color: As shown Package Contents: 8 filters, 1 cleaning brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the filters every 1-2 months to ensure the vacuum cleaner operates efficiently.