E5(5150), E6(6198), i3(3150), i3+(3550), i4(4150), i4+, i6, i6+(6550), i7(7150), i7+(7550), i8, i8+, j7(7150) & j7+(7550). Supplied as a single kit suited to one refresh cycle. Key Features. Simple maintenance cycle - The kit format lets you refresh the core cleaning parts in one go and keep a spare set on hand so you can change components promptly and keep your robot ready for the next clean without long pauses.