Now get the excellent bore cleaning action of Hoppe's Elite in a foaming cleaner. Deep cleaning spray on foam. Penetrates deep into the bore, removing carbon and fouling better than ordinary cleaners. Odorless, nontoxic, non flammable and bio-degradable. Ideal for black powder shooters. Now get the excellent bore cleaning action of Hoppe's Elite in a foaming cleaner. Deep cleaning spray on foam. Penetrates deep into the bore, removing carbon and fouling better than ordinary cleaners. Odorless, nontoxic, non flammable and bio-degradable.