i found a good way. in my closet theres a bigger shelve. or build a small er type shelf. on it i klept all my supplies and such. but i threw up a fileter ment for more if a ciggerette filled room, worked great at the old house, cant smoke in the new appt, o i had no reasion to use it until now. i just threw it on some nights when i was flowering some old plants and it worked great, im pretty sure wal-mart or canadian tire (guess its only really in canada though..) would have it.