This product is made of carbon steel,with its double-tube structures, but also can be used independently ,the technical parameters are:
2.Number of tubes:2
3.Applicable static area:≥30m2
8.It is movable and foldable,the tube could be concealed inside,and adjusted to various angles:90°,135°,180°.
9.It is equipped with a timer equipment with the time limitation of 0-120 min.