Enables volume-sensitive anion channel activity. Involved in cellular glucose homeostasis. Is integral component of plasma membrane. Is expressed in several structures, including nasal cavity epithelium; nervous system; submandibular gland primordium; tooth; and vibrissa. Orthologous to human LRRC8D (leucine rich repeat containing 8 VRAC subunit D). [provided by Alliance of Genome Resources, Apr 2022]