VOID FILTERS

Filters and filtering devices for air and gas conditioning; Filters for air conditioning; Filters made of fiber for water filtration; Air filtering installations; Air filters for air conditioning units; Air filters for domestic use; Air filters for heating and cooling registers; Air filters for industrial installations; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; HEPA filters for household use; Water filtering apparatus; Water filters