Replacement blades for BRAUN Series 9 Pro, recommended replacement every 18 months. - Brand: BRAUN - Model: Series 9 Pro - Product Type: Replacement blades - 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 of poor quality, so it is recommended to carefully check the reviews before making a decision.※ Thank you for viewing.