Turn one of the light around, duct between the lights. Place a duct @ the end of the row of lights, up to a wye, pull the lights and the filter off one fan. Better yet, pull fresh air into the lights with a duct, exhaust with a duct, tape all your duct joints with meatal duct tape. run the filter in the sealed room, exhaust the filter in the room and add Co2, With Co2, no need for fresh air. With Co2 you won't be exhausting weird oders. your girls will love you. How do you get your seed?