“I'm finding conflicting information on Phillip's website. I have a S9311 razor and on the back it indicates using S90 replacement heads but their website says to use SH91 heads. Are the heads listed here recommended for my model of razor? Thanks...”
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Hello! The SH90 shaving blades has been replaced with SH91 shaving blades. You can use both shaving blades for the Philips Norelco S9311 Shaver.
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