1. Use environment: family 2. Strong and durable, long service life 3. Isolate dust and harmful gases, purify the air 4. Effectively help improve cleaning efficiency and save cleaning time 5. Easy installation and disassembly, high matching with equipment 6. Compatible with irobot i7/J7/E5/E6/i3 7. Roller brush combination, powerful cleaning, regular replacement, prevent secondary pollution 8. The roller brush sucks the stripped dirt into the dust box to clean the floor, and the surface of the rubber brush protects the floor 9 Hypa filter paper, cleans the dust more finely, and the three sets of filter modules are integrated to block dust, smog and other particles that pollute the air 10. Triangular side brush, carpet cleaning, double-sided brush gathers and cleans, increases single cleaning area, and has higher efficiency 11. Package weight: 416 grams