Filters to purify industrial-water; Water purifiers for industrial purposes and parts thereof, namely, water distilling units, water filters, strainers for water lines; Filtration machines and apparatus for industrial-water and parts thereof, namely, water distilling units, water filters, strainers for water lines; Microbubble generators for wastewater treatment installations and parts thereof, namely, water distilling units, water filters, strainers for water lines; Water purifying units for...