I am selling this item because I accidentally purchased the wrong model on Amazon. One of the packages has been opened (please see the photos). According to the purchase site information, the compatible models are as follows: 【Compatible Models】 Roomba e5 / i2 / i3+ / i5+ / i7+ / j7+ / j9 / j9+ / combo i5+ / combo j5+ / combo j5. Note: Not compatible with Roomba combo j9+ / combo j9+SD / combo j7+. Product Model Number: 4651374 Brand: HY-VERSA Length is approximate, as measured by an amateur. Please let me know in the comments if you have any questions.