Sodium-independent transporter of chloride and iodide. Localizes to the apical brush border of cells in the cortical collecting ducts of the kidney. Throughout the endolymphatic duct and sac, in distinct areas of the utricle and saccule, and in the external sulcus region within the cochlea. Belongs to the SLC26A/SulP transporter (TC 2.A.53) family.