BLUE SHIELD

Air filtering units; Air filters for air conditioning units; Air filters for air-conditioning units; Air filters for domestic use; Air filters for heating and cooling registers; Air filters for industrial installations; Air filters for industrial purposes; Air filters for industrial use; Air conditioning filters; Air-conditioning filters; Filters for air conditioning; Filters for air-conditioning; Filters for use with apparatus for air conditioning; Filters for use with apparatus for air-conditioning; Ionization apparatus for the treatment of air