i've heard once you get past 3 times the VAS then it starts to be IBishWonder how you can tell when a box becomes big enough that you can call it IB. I was trying to make a HT box and it said 15 cu.ft. for a 12" //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif