You do not want a vertical flowhood, you want a horizontal flowhood.
aww, phooey, don't be parroting the omc dogma! i use a vertical and it's great!
you can fit 40 bags (plus the inoculant bag) on it at once and inoculate a whole
55 gallon drum's worth of low pressure sterilized bags. a 2x2 is plenty of space
for an amateur or hobbyist.