Features: 99%and , made of materials, more durable, the side brush allows your vacuum cleaner to reach deeper into the carpet compatible a more thorough cleaning. The filter filters fine dust to prevent dust, pollen and other allergens from entering the air you breathe. Unique brushes with rubber treads to suit different floor surfaces that remove everything from small dust to large deposits. As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2-3 months to keep the machine running at peak percompatiblemance Compatible with e, i and j E5 series (E5134) E6 (E6198) E7 i1 (1152) i2 (2152)i7(7150) i7+ i7 plus(7550) i1+(1552) i4+(4550 4552)i3 +(3550) i6+(6550) i8+(8550) j7( 7550) Robot vacuum cleaners. Features: 99%and , made of materials, more durable, the side brush allows your vacuum cleaner to reach deeper into the carpet compatible a more thorough cleaning. The filter filters fine dust to prevent dust, pollen and other allergens from entering the air you breathe. Unique brushes with rubber treads to suit different floor surfaces that remove everything from small dust to large deposits. As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2-3 months to keep the machine running at peak percompatiblemance Compatible with e, i and j E5 series (E5134) E6 (E6198) E7 i1 (1152) i2 (2152)i7(7150) i7+ i7 plus(7550) i1+(1552) i4+(4550 4552)i3 +(3550) i6+(6550) i8+(8550) j7( 7550) Robot vacuum cleaners.