Aluminum Profile.
Aluminum Frame Profile Frame "M" is widely used for dead glass windows. The shape is like letter M has 2 sides the same as openback, the other side can be closed.
In addition to the White Color, we sell 3inch screw M frames with various color variants, and we also sell various profiles for the manufacture of frames such as 3inch & 4inch Open Back.
For more information, please contact us.