70S Series 7 Compatible with Series 7, 720, 720s-3, 720s-4, 720s-5 720, 730, 9565, 9566, 9781, 9782-Series 7, Active Power 790cc, 790cc-3, 790cc-4, 790cc-5, 795cc-3, 750cc-3 750cc- and so on.Package - The package contains 1 blade. it's recommended that you replace the replacement head every 12 to 15 months to reduce the degradation of shaving performance. Silent Using - Replacement head compatible with Series 7 replacement parts, the decibels no more than 30 dB, very comfortable and get a silent shaving experience. Moreover, it's easy to replace your razor. Newly Upgraded - Optimized 70S replacement blade mesh for an easy and smooth shave. Trimmer for easy removal of long and soft whiskers without squeezing; geometric mesh to collect stray whiskers; 0.056MMN* close to the skin, no residue on the chin after shaving. Close Shave - 70S foil and cutter replacement head has 3 individually floating shaving elements to fit your facial contours, ergonomically designed for more comfort and finished flawlessly. The fine head is uniquely designed to handle hard-to-reach areas and short beards. Compatibility - 70S replacement heads fit for Series 7, 720, 720s-3, 720s-4, 720s-5 720, 730, 9565, 9566, 9781, 9782-Series 7, Active Power 790cc, 790cc-3, 790cc-4, 790cc-5, 795cc-3, 750cc-3 750cc- and so on.