?Compatible Model?: The Replacement Part Filters Brushes Are Compatible With Ropvacnic A1 S1 Vaccum Cleaner. Please Check Your Vacuum Model Before Purchg. | | ?Parts Contents?: Kit Includes 8 Hepa Filters And 8 Side Brushes For Ropvacnic A1 S1 Robot Vacuum. | | ?Work Great?: Our Replacement Parts Accessories Work Just Like The Original Ones. It Is Recommended To Replace Them Every 2-4 Months To Maintain Your Ropvacnic Vacuum'S Peak Cleaning Performance Depending On Your Use Frequency. | | ?Tips?: If The Side Brush Is Bent Or Curled From , It Can Be Recovered By Soaking In Warm Water For Several Minutes. This Will Not Affect The Quality Or Performance Of The Brush. | | ?Hepa Filter?: Our Hepa Filter Can Attach 99.97% Of Fine Particles Such As Dust, Pollen, Hair, Etc., Keeping The Home Cleaner And Fresher. | | ?Easy Installation?: Our Replacement Accessories Are Well-Compatible With Your Ropvacnic A1 S1 Vacuum Cleaner, And The Installation Method Is The Sa.