Water purifiers for household purposes; water purifier filters for household purposes; water purifiers for industrial purposes; water purifier filters for industrial purposes; activated carbon drinking water filters; bidets; air conditioning installations, namely, filters for air conditioners; air conditioners; water conduit installations specially designed for refrigerated beverage dispensing machines; sanitary apparatus and installations, namely, ozone sanitizers for air and water; air fresheners, namely, air purifiers; air sterilizers; air filtering units for removing dust, smoke and allergens from the air; water filtering units for producing potable water for domestic and industrial use; water softening units; electric water purifiers for household purposes; electric water purifier filters for household purposes; cosmetic refrigerators for household purposes