Perfect Compatibility: Designed specifically compatible Kyvol Cybovac D2 D3 D6 E20 E30 E31 robot vacuum, this replacement main brush and cover set ensures a perfect fit and seamless operation. Double-check your model be compatiblee ordering to guarantee compatibility. Premium Quality Materials: Constructed from durable plastics, high-efficiency particulate air filters, and soft silicone, this set is designed to effectively remove contaminants and impurities while being environmentally friendly. Ef compatibletless Installation: Easily replace your vacuum's main brush and cover with our user-friendly set. This essential maintenance task can be completed quickly, ensuring your vacuum operates at peak efficiency without hassle. Enhanced Cleaning Efficiency: The main brush plays a crucial role in trapping fine particles, allergens, dust, and pollen, enhancing the air quality in your home. Regular replacement helps maintain optimal cleaning per compatiblemance. Direct Replacement: Upgrade your compatible Kyvol Cybovac D2 D3 D6 E20 E30 E31 with this high-strength, easy-to-install replacement part. Regularly changing the filters every three months will sustain the vacuum's filtration efficiency and keep your home clean. : Material:Plastic Package Contents: 2 * main brush 1 * main brush cover 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.