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I took the three HQ9 screens and blades out of a Philips Norelco Speed 8175XL Shaver" and them in my Philips Norelco 4200, AT811,41 Shaver, They fit and I have used them maybe 20 times so far with no trouble. They seem to cut a little quicker to get the same feeling shave when I run my hand across my face.
Sorry, there was a problem. Please try again later.My AT890 just died and I have a set of unused HQ8 blades. I called Phillips customer support (1-866-800-9311) and asked what models are compatible with the HQ8 blades. I was told the HQ8 blades work with the Norelco 4100 - model AT810.
Sorry, there was a problem. Please try again later.Yes you can put HQ9 Heads in a razor that takes the HQ8 such as the 4100 and 5000 series the SH50 blades also interchanges. I know this because this is how I shave with my 4100 AT810 Phillips Norelco. I replace my HQ8 blades and installed the HQ9 in the picture below. They are a exact fit for my 4100 and work perfectly.
Sorry, there was a problem. Please try again later.Hello! This Norelco 4100 Electric Shaver will accept either the HQ8 or SH50 replacement shaver blades.
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Sorry, there was a problem. Please try again later.The 4100 series will NOT work with the HQ9 heads. Sorry.
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