Compatibility & Variety : Designed for Philips Electric Shaver Series 1000, 2000, 3000, 5000, S738, Aquatouch S5xxx, AT8xx, AT7xx, Powertouch PT8xx, PT7xx. Precision Cutting System : 360 degrees without dead ends, ensuring your beard is removed gently and cleanly. Ease of Replacement : Quick and effortless to install, recommended replacement every 12 months for optimal performance. Comfortable Shaving : Rounded head design protects your skin from scratches during both wet and dry shaves. Washable & Durable : Easy maintenance with washable components and durable sharp blades. Experience the epitome of comfort and precision with our replacement heads, meticulously crafted for your Philips electric shaver. Our blades are engineered to glide smoothly over your skin, leaving a fresh and close shave every time. Perfect for the discerning gentleman seeking the best in personal grooming.