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Isotope Filter Not Working! Help!

Hi! I used the clone of isotope filtering. I copy and pasted the sections and put in my own content. I have been trying to get this to work for days and this is as close as I have gotten. The search works. And the All button works. But the categories do not work. Could someone please give this a second set of eyes for me to see whats wrong? Thanks in advance!

My site: (page is under formulations -> dry leaf)
Read only link: