Air filtering installations; Air filtering units; Air filters for air conditioners in vehicle passenger compartments; Air filters for industrial installations; Dripper irrigation systems, comprised of valves, filters and regulators; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Filters for air conditioning; HEPA filters for household use; Industrial air filter machines; Personal air filtering units for filtering tobacco smoke exhaled dire...

Air filters for automobile engines; air filters for motors and 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; Aircraft engine parts, namely, coils, manifolds, particulate filters; Air-intake tubes and filters for after-market installation of automotive engines; Particulate air filters for exhaust systems for internal ...