ASTRASAND

Water purification apparatus, machines and installations; filters for water purifiers; parts and accessories for water purification apparatus, machines, and installations, namely structural parts for water purification installations, filters for water purifiers, water conditioning units, waste water treatment tanks

Sand; Filtration sand, namely, processed silica sand and crushed quartz mixtures used in filters for potable water purification, waste water processing, industrial process fluids and recreational water filtration