WELLUCK 1.5FT 3 Prong to 4 Prong Dryer Adapter, 3 to 4 Prong Dryer Plug Adapter, 4 Prone Dryer Outlet Adapter, 14-30P Male to 10-30R Female Receptacle for Old Clothes Dryer Converter, 30A, 250V. 【Convert Old Dryer from 3 to 4】: WELLUCK dryer plug adapter 3 to 4 prong outlet can connect your 3 pole plug on your dryer to the 4-slot wall outlet, it is a smart and direcrt Male to Male eletrical solution.