This shaver has an integrated shaving unit. The shaving unit required for this shaver is the RQ10 or RQ12+ Philips shaving unit.
Note: If you already own an RQ12+ shaving unit and you need to replace shaving heads, you can simply buy SH90 shaving heads. These shaving heads fit in the RQ12+ shaving unit.
Note: SH90 shaving heads do not fit in the RQ10 shaving unit.
In stores, the shaving units may have the following code: RQ10/18. The number following the '/' (forward slash) does not matter. For example, RQ10/18 and RQ10/53 are exactly the same shaving units. The number behind the forward slash refers to the country of sale or the type of packaging.
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