LOFT 41 High Quality Aluminum using the highest standard 6063-T6 aluminum stronger than 6063-T5, and with deep anodizing of profile protects the aluminum against corrosion, extends durability. Opal PC diffuser helps to soften and distribute light evenly across the surface, reducing harsh shadows and glare, UV stabilized, no inclusions or scratches on the surface. Idea for standard-width LED strips, ensuring a snug fit and optimal light output, easy access to LED strips for maintenance or replacement.  Standard length 1mtr, 2mtr, 3mtr. Other lengths can be customized as per design.