Compatible for Waterpik - 10pcs Brush Head Tips Fit Aquarius WP-660/WP-320 & Oral Irrigator FC165

- Precisely engineered to fit WP-660, WP-320 and FC165 oral irrigator models, with matching interface specifications for the brush head tips. It attaches tightly after installation, avoiding looseness during use, and restores the irrigator’s normal cleaning function for daily oral care needs. - Tool-free installation design enables simple manual operation with no professional skills or extra equipment required. The straightforward replacement process streamlines irrigator maintenance, allowing quick tip swaps to get the device back in use and reducing the time cost of home oral care equipment upkeep. - The package includes 10 brush head tips, meeting long-term replacement needs for regular oral irrigator use. Having multiple spare tips on hand ensures uninterrupted oral cleaning routines, eliminating the hassle of frequent re-purchases and suiting household oral care maintenance for the whole family. - The brush head tip’s structural design aligns with the oral irrigator’s water flow output rhythm, and its shape matches the device’s cleaning movement range. It maintains stable performance during daily use, fitting the rhythm of routine oral irrigation and enhancing the overall cleaning experience. - Designed as a dedicated replacement option for the specified oral irrigator models, eliminating the need to purchase incompatible generic tips. It fits the specific functional needs of the irrigator’s cleaning system, simplifying the accessory selection process for home oral care equipment maintenance.