22"x14" in upper 3 feet
on intake side its 22"x12" in the bottom 3 feet
both vents are a 3 part lifetime filter
fans on both intake and exhaust

do u think that is sufficient?
TamyLove420 Reviewed by TamyLove420 on . more ventilation questions? Can I ventilate my room for just 12 hrs a day or does it need to be under 24hr ventilation? Rating: 5