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- How are reviewers describing this item?
easy, great, key, nice and set.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 121 reviews as of our last analysis date on Feb 14 2018.
The m13-631 is a newer model that is easier to setup than the m3-631 and worked perfectly with our m4500 opener
If you need to replace a m3-631 get this
Other vendors were selling just replacement covers for the m3-631 for $99 (ridiculous)
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