Alternators; AC variable frequency drives that are used to control small and medium-sized motors in applications such as manufacturing processes, HVAC and pumps; Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers and particulate traps; Agricultural machinery and attachments therefor, namely, rotary mowers, box scrapers, and three-point attachments; Air compressors; Air compressors for vehicles; Air filters for automobile engines; Air filters for mechanical ...