Compatible for Replacement Toothbrush Heads Compatible with Philips Sonicare Electric Brush Head 1100 2100 4100 5100 5300 6100 7500(Black-20 Pcs)

- 1. Widely Compatible with Multiple Sonic Devices: After strict size calibration and interface testing, it can perfectly match sonic electric devices of 1100, 2100, 4100, 5100, 5300, 6100, 7500 and other series. It has strong compatibility, so you don't have to worry about mismatched models. - 2. Easy Installation, Effortless Replacement: Adopting a snap-on design, the installation process is simple and fast without any tools. Align it with the device interface and press gently to fix it. It is also convenient to disassemble, which can be easily operated by the elderly and children. - 3. Soft Bristles, Delivering Comfortable Touch: Selected high-toughness soft bristles with a delicate and gentle touch. They can gently fit the tooth surface during cleaning, reducing friction and irritation to the gums, and will not cause discomfort even with long-term use. - 4. Scientific Design, Improving Cleaning Efficiency: The brush head adopts an ergonomic arc structure, matched with a reasonable bristle arrangement density. It can penetrate into hard-to-clean areas such as tooth gaps and gum sulcus, helping to achieve comprehensive cleaning. - 5. Durable Material, Reliable Quality: The main body of the brush head is made of high-quality wear-resistant and anti-aging materials. After multiple quality inspections, the bristles are not easy to fall off and the brush head is not easy to deform, with stable service life, providing reliable guarantee for daily replacement.