Perfectly compatible with V15 SV22 V11 SV14 series cordless vacuum cleaners, replaces DY-970013-02 and 97001302. Made of high-strength environmentally friendly materials, it can be completely washed and reused, with longer life and better filtering effect. Installation is simple, just remove the old filter and replace it with the new one. To keep your vacuum cleaner in top working condition, it is recommended to clean the filter every 3 months and replace it every 12 months or as needed. Contents: 3 x Vacuum Cleaner Replacement Filters, 1 x Cleaning Brush. Size: 3.5*5.1*2.6 inches (Please confirm the filter size before purchasing)