k mate, lisen up, lisen close. You wan't to get a coco carbon filter, never buy a Ozone generator... they can kill you... You're eyes and lungs will begin to burn... and if ur exposed to long death can occur.Ozone generators or carbon filters to extract odours ???
I do not want any odour issues as one wall of the grow room is attached to the next house.
I'm happy to part with a few £ for peace of mind.