Marine sewage holding tank vent filters; Aquarium filters; Air filters for air conditioning units; Filters for fluids, namely, for water and area-water solutions; Filters for air conditioning; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators; Air filters for air conditioners in vehicle passenger compartments; Filters made of fiber for wa...