e-pipeman Vaping Master Supporting Member ECF Veteran Oct 16, 2008 5,430 5,594 Brown Edge, England Jun 6, 2014 #21 Jun 6, 2014 Add bookmark #21 Why not use a tank airflow controller? It sits under your topper and then you don't have to rely on the topper to do it for you? ••• More options Report Add bookmark Share
Why not use a tank airflow controller? It sits under your topper and then you don't have to rely on the topper to do it for you?