Air purification apparatus; air purifiers; air purifiers for automobiles; air purifiers for household purposes; air purifiers for household use; air purifiers, electric; air purifying apparatus; air purifying apparatus and machines; air purifying machines; air purifying units; air purifying units for commercial use; air purifying units for household purposes; air purifying units for household use; air purifying units for industrial purposes; air purifying units for industrial use; electric air purifiers; filters for air purifiers; industrial air purifiers; air conditioners, air conditioners for vehicles; evaporators for air conditioners; filters for air conditioning
Environmental Control ApparatusInstallation, maintenance and repair of air purifying apparatus; air conditioning vent sealing services; installation of control systems for air conditioning
Building Construction and RepairAir purification; air deodorizing; air freshening; rental of air purification equipment
Treatment of Materials