This replacement parts kit compatible for Roomba E series E5 (E5134) E6 (E6198) E7 I series i7(7150) i7+ i7 plus(7550) i1+(1552) i4+(4550 4552)i3+(3550) i6+(6550) i8+(8550) j7+ (7550).Easy to clean and install, clean by hand washing in warm water and let it completely air dry before reusing them.This rubber brushes are perfectly matched, one for peeling off dirt and the other for sweeping dirt, and the side brush reaches deep into corners and edges to remove more dirt, dust and debris.For best results, edge-sweeping brushes and filters should be replaced every 2 - 3 months, rubber brushes should be replaced every 6 months.Package Includes - 8 pack High-efficiency HEPA filters, 8 pack Edge-sweeping brushes, 2 set of Multi-surface rubber brushes