When I took delivery from Carvana on my 2019 low mileage Corvette 2900
I went over this Corvette in every detail only problem I had was smelled like smoke .
Talked to Carvana they agree to reimburse me the 79.00 for this unit '
Ran it inside the corvette for 30 minutes with the AC on to clean all ducts .
This worked great took all odors out no smoke .
This is the first time I heard of this hotels use them when people smoke .
I can now smell the leather seats .You have to careful not to breath this and let car air out good . Also a good note let the AC run to clean out ducts