Trying this kind of carbon filter. Ordered on Amazon. : r/ArtOfRolling
actiTube activated charcoal filter for pipes and cigarettes, 40e - UD, 3,00 €
Berlin, Germany. 01st Aug, 2018. A young man prepares a joint from a marijuana-tobacco blend. In this joint, he uses an activated carbon filter instead of a normal filter. Credit: Gerald Matzka/dpa-Zentralbild/ZB/dpa/Alamy
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