Suitable For DR Electric Toothbrush Head Replacement Y1/GY1/C3 Toothbrush Head Universal Adult Soft Replace DuPont NozzleNotes: Non-original brush head, overall objective brush head:1. Healthy and Safety: Food Grade Material; 2. Good Quality with Reasonable Price: Each brush head will last use for 2-3 months, greater than others; 3. Perfect Compatible with DR electric toothbrush C3\Y1\GY1\C6X 4 sealed packing, much more secure to use. 5 update the toothbrush heads each 3 months 6 you've any questions about the toothbrush model, you'll search the recommendation of guest service. Thank you.