SH90 Fits product type :
9000 series ,8000 series and 7000 series, Star Wars Series : S8950/50, S8950/91. S9311/27 S9311/84, S9311/87, S9321/88, S9511/63, S9531/84, S9721/84, S9721/87. S9090, S9031, S9111, S9151, S9152, S9181, S9311, S9321, S9511, S9512, S9522, S9531, S9551, S9711, S9712, S9721, S9731, S9733, S9751, S9781, S9800, S9850, S9988, S7310, S7370, S7530, S7710, S7720, S7740, S7510, S7520, S7780, S8980. (SW9xxx) Electric Shavers and more.
SH70 Fits product type :
Series 7000 and Series 5000 , 6000 series : S7370/84, S7370/87, S7371/84, S7371/87, S7720/84, S7720/85 & S7720/90, Star Wars Series (SW77xx) Electric Shavers, S5130, S5210/81, S5320, S5340, S5355/82, S5370/81, S5370/84, S5400, S5420, S5600, S5590/81 and more.
SH50 Fits product type :
Series 5000, Series 6000, Series 3000 and AquaTouch Shaver: S5130, S5210/81, S5320, S5340, S5355/82, S5370/81, S5370/84, S5400, S5420, S5600, S5590/81 & S5660/84, AquaTouch AT790/40, AT810/41 & AT810/46, PowerTouch PT730/41 & PT734/41 Electric Shavers and more.