Compatible with various models including ASKW4, ESKW4, FX8, AZE156 and other models of the 8000 cordless vacuum cleaner. Filtration performance: up to 99.99% of particles 1 µm Washable: Yes Recommended filter change: pre-motor filter every 6 months, hygiene filter every 12 months Our high-quality pre-motor HEPA filters for 8000 cordless vacuum cleaners offer first-class filtration performance and are washable for longer durability. With optimal dust absorption and protection against pollen, dust and allergens, they cleaner and healthier indoor air. Colour:As Shown Material:plastic Package Contents: 2 * Wind filter element 4 * Entry filter element Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.