Braun Series 8 replacement blades maintain optimal shaving performance with replacement every 18 months. - Brand: Braun - Model: Series 8 - Country of Manufacture: Germany - Recommended Replacement Period: 18 months ※Some sellers offer the same packaged product at a lower price, but some may be selling products with poor quality contents, so it's recommended to carefully check the reviews before making a decision.※ Thank you for viewing.