Air brushes for applying paint; Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, particulate traps; Filters for cleaning cooling air, for engines; Filter elements for fuel filters; Filter silencers for machines; Oil, gas, air filters for motors and engines; Spray guns for paint; Spray paint systems comprised of pumps, pump controllers, nozzles, tubing and valves; Sub-micron fuel filters for diesel exhaust fluid; Vacuum pumps