SELECT t1.CODIGO_DEL_PRODUCTO, t1.NOMBRE_DEL_PRODUCTO, t2.CANTIDAD as cantidad FROM tabla_de_productos as t1 inner join items_facturas as t2 where t1.NOMBRE_DEL_PRODUCTO = 'Refrescante' and t1.TAMANO = '1 Litro' and t1.SABOR = 'Frutilla/Limón' order by cantidad desc limit 1;