bro, not to offend u or do anything to ruin your sales, but how do we know these items are the real deal or fake one, because there are so many faked products out there.

http://realorfakeitem.com/real-vs-fake/apexi-filter-id8

it's because u r selling at a much lower price than market i ask this question, again sorry if i offend u, i'm really interested in the apexi filter, been using one for a few years and it's time to change