General description 5PCS HEPA Filter designed for models 1866, 1868, 1785, and 2225Z. Made from new, high-quality materials, these filters are well-crafted and highly compatible with your equipment. They effectively reduce the infiltration of dust, pollen, and other allergens into the air, ensuring a cleaner environment. Technical specifications Color: Black Material: Plastic Package Contents: 5 x Filters Measurement allowed error: +/- 1-3 cm Usage Regularly clean accessories to maintain optimal performance of your home robot. Replace cleaning accessories every 2-3 months based on usage frequency for best cleaning and filtering results. Suitable for various floor types including ceramic tiles, marble, and wood floors.