Enables the transfer of carbon dioxide (CO2) from one side of a membrane to the other.
Synonyms:
xref:
Reactome:R-HSA-1237042 "AQP1 tetramer transports CO2 from extracellular region to cytosol"; Reactome:R-HSA-1237069 "RHAG transports CO2 from extracellular region to cytosol"; Reactome:R-HSA-1247645 "RHAG transports CO2 from cytosol to extracellular region"; Reactome:R-HSA-1247649 "AQP1 tetramer transports CO2 from cytosol to extracellular region"