4/8/12/16PCS Compatible for Philips HX6021 Replacement Toothbrush Heads Sonic Electric Vacuum DuPon Soft Bristle Brush(PHILIPS-30pcs)

- 1. Targeted Compatibility for HX6021: Precisely engineered to fit the HX6021 sonic electric toothbrush. The optimized connection structure ensures a tight, stable fit that stays secure during daily brushing, perfectly matching the original accessory’s installation standard. - 2. Flexible Quantity Options (4/8/12/16PCS): Available in multiple practical pack sizes?4PCS, 8PCS, 12PCS, and 16PCS. It caters to diverse needs, whether for personal regular replacement, family use, or travel backup, eliminating the hassle of frequent repurchases. - 3. DuPont Soft Bristles for Gentle Use: Equipped with high-quality DuPont soft bristles that balance gentleness and durability. The fine, flexible bristles offer a mild touch, easily reaching interdental gaps and gum lines without causing irritation during daily use. - 4. Vacuum Packaging for Freshness: Each brush head is packaged in a vacuum-sealed bag. This packaging effectively preserves the bristles’ freshness, keeping them clean and in optimal condition before first use. - 5. Hassle-Free Installation Process: Features an intuitive twist-on design. You can attach or detach the brush head in seconds with a simple turn?no extra tools required, making the replacement process quick and effortless.