I don't have one, don't need one but a carbon scrubber filter is what most use. Do a search on them. You will find all the info you need.
LOC NAR1958 Reviewed by LOC NAR1958 on . grow oders What is the best way to keep the smell down,so company does not know you are growing the Good shit (G-13).It really stinks up the entire house.:rasta: Thanks for any and all advice. Peace::dance: Rating: 5