1. The bristles are moderately soft and hard, and the cleaning force is strong 2. Applicable area: less than 10 square meters 3. Applicable model: for Ilife A4 4. Environmental protection material, durable 5. Hypa filter, good filterability 6. Real machine mold opening, high adaptability 7. Set: main brush x 1, side brush x 2, primary filter x 1, filter element x 2, rag x 1 8. Size: main brush: 4x16cm, primary filter: 5.5x17.5cm, filter element: 5x13.5cm 9. Net weight: 98g/set