Quick Excerpt from a PBS special on Michael Pollan’s The Botany of Desire. On the capriciousness of the drug laws, the insanity of the War on Drugs, and why Marijuana, Opium, etc should be and were legal until recently in human history. Andrew Weil., Dav

– The Darkflo intake port cover allows maximum airflow while blocking all light to your MMJ grow room.This ventalation unit can be used passively or actively and allows for use of various filters for pest & debris control.