17 extruded plastic in the form of bars, blocks, pellets, rods, sheets, or tubes for use in manufacturing in the building industry, filtering materials, namely extruded plastic for use in the manufacture of filtering media
22 raw fibrous textile materials; wadding for filtering
24 textile fabrics used to make filters; non-woven textile fabrics used to make filters, fleeces which are made from synthetically made textile endless threads, staple fibers for use in making carpet supports, carpet backs, roof coverings, clothing linings and insert materials, under and upper coverings for scrubbing and cleaning cloths