Air filters for automobile engines; Air filters for gear drives; Air filters for mechanical purposes; Air filters for motorcycle motors and engines; Air filters for pneumatic controls being part of machines; Air filters for vehicle motors and engines; Filter elements for fuel filters; Filters being parts of engines; Filters for motors and engines; Fuel filters; Oil-water separators for pneumatic controls being part of machines; Oil filters; Oil filters for mechanical purposes; Oil filters for motors and engines; Particulate air filters for exhaust systems for internal combustion engines