My first DIY Carbon Filter

just wanted to share my new DIY carbon filter as seen in https://www.rollitup.org/t/the-best-diy-ez-walmart-carbon-filter-for-micro-grows-zen-style.101248

I'm using a 100CFM 12w VenTech inside my humble 1.5'x1.5'x4' and It's working as fine as expected!