Replacement Side Brush Fit Model: Roomba 500 600 700 Series . Do not compatible with 645 655 Pet models. | Replacement Roomba Brush Advantages : Cleans along edges and other hard to reach places to remove more dust, dirt, pet hair, and debris than a normal brush alone. | How to clean the roomba brush : Step 1: Use the corner small screwdriver to remove the screws. Step 2: Remove the brush,remove the hair or debris,and put the side brushes back in place | How Often To Clean : Keep your home clean by changing the filters frequently - once every month or two, depending your usage. | Replacement Brush Tips : These brushes are easy to replace as part of routine vacuum maintenance. This Replacement 10-pack includes three easy to install brushes with needed screws-replace one brush now and keep a couple on hand for your next change out.

Hongfa replenishment hepa filters fit model: Roomba i7 7150 i7+ 7550/i7 Plus E5 5134 E6 6198 E7 Vacuum Cleaner. | Replacement iroomba filter can keep your vacuum operation at peak performance.Rumba Filters should be replaced every 2 - 3 months. | Feature:Made of high quality material, more durable to use. | Package contents:18pcs filter for Roomba i7 i7 Plus E5 E6 E7 and a free brush. | 100% satisfaction:Hongfa Team guarantee 100% satisfying service for our valued customer,we offer refund or replacement for any dissatisfaction. Any question, please contact us freely.