Motorhome Furniture I Need A Way To Eliminate Odors From A Motorhome I Just Purchaised.?

I need a way to eliminate odors from a motorhome I just purchaised.? - motorhome furniture

The smell is a mixture of cat and smells of people, and possibly drug production / use. I shampoo twice, carpets and furniture once. The smell is still in the air. All proposals would be very apprietiated.