1. Environmentally friendly materials, durable, healthy and safe 2. Easy to install 3. Please clean the shaver before installation 4. To maintain a good shaving effect, we recommend replacing the shaver head every 18 months 5. Applicable models: Suitable for Philips S1121 S1131 S1332 S1133S1211 S1231 S1232 S1334 S1015 S1111
