My friend just got an e-flex mask and let me try it on, it's a good mask but what I really liked is how comfortable it is, this foam is so soft and thick that he shames me Foam dye i4, i wanted to have the same comfort on my i4 and thought why not? So I got this replacement kit (much cheaper than $19.99 for the i4 kit) and with some minor adjustments it fits well, comes with no glue but any brand of super glue will just make sure you are installing the foam don't press too hard or glue will seep into the foam leaving an indelible crease, now my i4 feels so much better!
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