General description This package includes 6 pieces of replacement shaver heads, perfect for replacing your old ones in daily life. Please note that this is a compatible replacement part. Technical specifications Model: SH30/50/52 Compatible with Philips 1000, 2000, 3000, 5000 series shavers Compatible models: S738, AquaTouch (S5xxx, AT8xx, AT7xx), PowerTouch (PT8xx, PT7xx) Usage These heads are washable; clean them after shaving or brush them with a cleaning brush. It is recommended to replace the shaving heads every 12 months for optimal performance. The 360-degree design allows for smooth operation and protects the skin from scratches. Other information