1. Applicable models: suitable for iRobot Roomba 800/900 series vacuum cleaners 2. Made of preferred materials, durable and practical 3. Exquisite and delicate, highly compatible with the equipment 4. Easy to install, as part of daily maintenance, easy to disassemble and replace 5. To achieve better results, spare parts should be replaced every 1-3 months 6. The filter can filter out fine dust, reducing the infiltration of dust, pollen, and other allergens into the air you breathe 7. Weight: main brush about 79g/pc, side brush about 6g/pc, filter about 20g/pc
