General description This replacement parts kit is designed for a range of Wi-Fi connected smart mapping robot vacuums, including models J7, J7+/Plus, E5, E6, E7, I3, I3+, I4, I6+, I7, and I7+. It ensures the same excellent performance as the original parts, helping to keep your home clean and improve air quality. Technical specifications Material: Plastic Color: As shown Measurement allowed error: +/- 1-3 cm Package Contents 3 x Main brush 8 x HEPA filter elements 8 x Edge brushes 8 x Screws 1 x Screwdriver 1 x Cleaning brush Usage For best results, replace edge-sweeping brushes and filters every 1-3 months. Replace multi-rubber brushes every 6 months.