7 Air filters for mechanical purposes; Air filters for motorcycle motors and engines; Components for machines and machine tools, namely, sand, chemical and reverse osmosis filters; Compressors for air conditioners; Dust filters and bags for vacuum cleaners; Filter elements for fuel filters; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Filters for cleaning cooling air, for engines; Fuel filters; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles; Oil-water separators for pneumatic controls being part of machines; Oil filters; Oil filters for mechanical purposes; Oil filters for motors and engines; Oil separators