need people with experience in this area to help me!! i have an intake fan in one tent that is a 5" and this runs into a y connection that one side has another intake to another tent that has 4" intake fan and the other connection goes into my bathroom so this is my fresh air supply that supplies two tents the 5" is in a 2.4x1.2x1.2 tent and the 4" a 0.8x0.8x1.2. so a little simpler from my bathroom i have a normal extractor fan that goes into my loft and did run outside however i have tapped into that run some ductingthat goes to a y splitter then off this runs to two other tents. what i need to know is would the 5" fan suck the air from the 4" fans tent?? i hope i have made sense any questions please ask :/ Sent from my iPhone using Grasscity Forum mobile app