PREMIUM MATERIALS: Made from high-quality materials, this replacement shaving head is functional, efficient, and easy to use. WIDE COMPATIBILITY: Compatible with Philips models PT710, PT715, PT720, PT721, PT722, PT724, PT725, PT726, PT727, PT728, PT730, PT731, PT732, PT734, PT735, PT736, PT737, PT739, PT786, PT810, PT815, PT860, PT866, PT868, PT880, AT810, AT811, AT814, AT891, AT893, AT910, AT911, AT750, AT751, AT752, AT753, AT754, AT757, AT758, AT798, AT891, AT926 and other compatible models. INSTRUCTIONS FOR USE: Replace shaving heads every 18 months for optimal performance. Easy to install. Clean the shaver before installation. PERFECT PERFORMANCE: Replacing the shaving heads provides a 25% more efficient shave. Regular cleaning ensures long-lasting performance. REPLACEMENT SHAVING HEADS: Restore your shaver’s performance and achieve a closer shave with this replacement head. DURABLE AND EASY TO CLEAN: Constructed with high-quality ABS and stainless steel. Includes a practical cleaning brush. RAZOR HEAD SIZE: Approximately 60 x 50 x 30 mm (2.36 x 1.97 x 1.18 inches). PACKAGE INCLUDES: 1 x Replacement Shaving Head