Compatibility : Designed specifically for M1 / Trouver M1. These filters are designed to perfectly fit your specific cordless vacuum cleaner model, improving performance and simplifying operation. Advanced Filtration Technology: Equipped with a high-efficiency HEPA filter and a sturdy mesh filter, this combination improves overall filtration efficiency. It effectively captures fine particles, ensuring a cleaner and healthier environment in your home or office. Affordable Set: Providing a practical and economical solution to keep your vacuum cleaner performing at its best. Perfect for home and office use, ensuring you always have spare filters. Maintenance Tips: To maintain performance and efficiency, it is recommended to clean these filters regularly and replace them every three months. This daily maintenance helps maintain the powerful suction power of your vacuum cleaner and prolong its life. User-friendly Installation: These filters are designed for easy installation. Each filter can be easily cleaned with water to remove dust from the HEPA , making maintenance a breeze. Color: As Shown Material: ABS Package Contents: 4 * Filter 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.