AnshinShop Dust Cut Filter 6-piece set and Edge Brush 2-piece set compatible with Roomba e5 / j9 / j7 / i7 / i7+ / i5+ / i3 / i3+ / i2, compatible with 4651374. This product is brand new and unused. All included accessories are shown in the actual photos. Compatible with "Roomba j7+" and "Roomba j9+", but NOT compatible with "Roomba Combo j7+", "Roomba Combo j9+", and "Roomba Combo j9+SD" which have a mopping function. Compatible models: Roomba e5 / Roomba j9 / Roomba j7 / Roomba i7 / Roomba i7+ / Roomba i5+ / Roomba i3 / Roomba i3+ / Roomba i2. Also compatible with "Roomba j7+" and "Roomba j9+" which do not have a mopping function. Not compatible with Combo models. Set contents: 6 filters, 2 edge brushes Product Features: (1) Quality comparable to genuine products (2) Captures dust, pollen, and dust mites (3) Easy to replace Replacement method: (1) Remove the dust container. (2) Pinch both ends of the old filter and pull it out to remove it. (3) Install the new filter in the correct position. (4) Attach the dust container to the robot. *The robot will not operate if the filter is not installed correctly. Replacement guideline: Replace when the surface is covered with debris and spots appear, or when the suction power weakens. Replace the filter every two months as a guideline.