Braun Shaver Foil and Cutter Combo Pack is compatible with and identical to F/C31S F/C591S.

This is the exact same product as the F/C591S (discontinued) that was sold domestically before October 2011. It is compatible with the F/C31S currently sold domestically and can be used with it. (The outer blade is the same, but the inner blade is different from the latest "skin guard inner blade"). It can also be used as the older F/C506S. Dimensions: W80 x H160 x D25mm Weight: 19g Country of origin: Germany Recommended replacement interval: Approximately 18 months Compatible shavers: Contour, Flex XP II, Flex XP, Flex Integral Ultra Speed, Flex Integral 3 This is the exact same product as the F/C591S (discontinued) that was sold domestically before October 2011. It is compatible with the F/C31S currently sold domestically and can be used with it. (The outer blade is the same, but the inner blade is different from the latest "skin guard inner blade" specification). It can also be used as the F/C506S. ◆Replacement blade (foil + inner blade)◆Successor model number to F/C591S / Compatible models: BS5897, BS5895, BS5888, etc. / / *Please check the compatible model before purchasing.