The Large Cuff is compatible with Omron Blood Pressure models: BP710, BP742, HEM-432C, HEM-711AC, HEM-712C, HEM-712CLC, Elite7300IT, HEM-412C, HEM-432CN2, HEM705CPN, HEM-712CLCN2, HEM-712CN2, HEM-737, HEM-747IC, 7100REL, 7400REL, HEM-741CRELN2, HEM-741CRELN3.