This GMP Tools cable blower accessory (part 37309) is stocked in Millennium's Cable Blower Accessories (Inserts, Proofing Kits) category for crews using GMP equipment to install fiber optic cable via the air-blown fiber method. Like other components in this line, it supports proper sealing and cable-size configuration within the blower unit, helping maintain the air pressure required for efficient, low-stress cable placement. Stocking genuine GMP accessories helps crews keep blowing equipment field-ready across projects. Millennium Part #526428 (vendor part 37309) ships fast contact Millennium to confirm compatibility with your GMP cable blower model.