1. [High Quality] The replacement razor heads use hypoallergenic silver foil heads and feature anti-collision technology. The foil replacement razor heads are designed for a closer shave without pain or irritation, suitable for people with skin allergies.2.ModelCompatible with Braun 3 series replacement shaver heads, suitable for 3 series models: 300S 301S 310S 320S 330S 340S 360S 380S, 3000S 3010S 3020S 3030S 3040S 3080S 350CC 370CC 390CC 3050CC 3090CC.3. [High Efficiency] Replacement heads can help your shaver restore 99% of its performance and a closer shave, making your shave faster, smoother and more thorough.4. [Why replace the razor head]: You can keep the razor sharp and never worry about the head slowing down. Regularly replacing the razor head is more hygienic and gives you the ultimate experience. We recommend replacing the razor head every 12 months to keep it sharp and efficient. Replacing the razor head can improve the shaving effect by 25%. For best performance, please clean it regularly.5. Shaver Category: Electric Shaver Observation: If the seller provides a commercial guarantee, this does not prevent Product Name: Replacement Shaver Head 32B For Braun 3 Series Foil Shavers 300S 301S 310S 320S 330S 340S 360S 380S, 3000S 3010S 3020S Shavers