ok just bought one of these at wal mart for 5 bucks and was wondering if this would ok to use as intake or exaust fan or maybe just to use to keep air flowing over my plants.Also it would be going in rubbermaid box i made my sefl it has 2 computer fans for exhaust and i was going to either use htis for a intake or just to use to keep the tops swayign back and forth.Any tips or input greatly appreciated