[ Filtering materials featuring vegetable substances, namely, chemicals for use in water treatment; ] chemical preparations in the nature of filtering materials in the water purifying industry; mineral substances in the nature of filtering materials in the water purifying industry [ ; ceramic materials in particulate form, for use as filtering media in the water purifying industry; carbon for filters; unprocessed plastics in the nature of filtering materials in the water purifying industry ]

Fabric wadding for water filtering