Duraline's MicroDuct Riser is engineered to meet the demanding requirements of MDU and FTTX installations, featuring a specialized SILICORE® co-extruded inner lining that ensures smooth cable placement with minimal friction. With an outer diameter of 8.5 mm and an inner diameter of 5.9 mm, this riser-rated MicroDuct not only accommodates fiber cables but can also be pre-installed at the factory for added convenience. Its internal ribs enhance durability while also facilitating optimal airflow, critical for performance in confined spaces. Certified to meet safety and reliability standards—specifically ETL listed to UL-2024 and CSA C22.2 No.262-04—this conduit is made from fire retardant materials, ensuring compliance for riser applications. Permanent markings and optional pre-installed pull strings simplify the installation process. Built for efficiency and reliability, the MicroDuct Riser is your trusted solution for modern telecommunications infrastructure.