It in between the room and grow room...and the grow room has a positive airflow so it all stays between the hall and grow room. Ozone when used correctly can be extremely efficient plus set extremely low it does have a nice smell for the house.
Cyclonite Reviewed by Cyclonite on . Indoor Odor Control http://www.kalyx.com/store/proddetail.cfm/ItemID/285923/CategoryID/12000/SubCatID/2740/file.htmHey im going to order this ozone product, for $24.99 you get Programmable Corona Discharge Ozone Generator The unmistakable fresh smell in the air following a thunderstorm is ozone created by the effect of the lighting on oxygen atoms. Ozone is the second most powerful oxidant known and the naturally occurring level is very effective at destroying bacteria, viruses and odor. Artificially Rating: 5