Environmentally friendly material quality like the original: The Dyson Sv12 filter is made of environmentally friendly HEPA material to ensure optimal performance and a healthier life. It is not the original vacuum cleaner filter, but it works the same and is perfect for your cordless vacuum cleaner. Please check the part number and size of your Dyson cordless vacuum cleaner before purchasing. High-performance technology, prevents secondary air pollution: The high-quality HEPA vacuum cleaner filter enables the Dyson v10 filter to remove 99.99% of small microscopic particles. Captures 0.3 microns and effectively blocks particles, dust and pollen in the air to purify indoor air and prevent secondary air pollution. Washable and economical: We recommend replacing your Dyson V10 every 2 to 3 months to ensure your vacuum cleaner works perfectly. Effective cleaning and regular filter changes protect your vacuum's internal functions and allow you to extend the life of your vacuum cleaner