PEAK PERFORMANCE: To maintain your best shave, we recommend replacing the shaver head every 18 monthsEFFICIENT SHAVING: Over 18 months your Braun electric shaver will cut over 6,000,000 hairs, gradually reducing cutting performanceSIMPLE REPLACEMENT: easily attach your new shaver head—just by clicking it onCLOSE SHAVE:One small investment, and your shaver is reset to newQUALITY CRAFTSMANSHIP: 100% made in Germany