The Fremco Adaptor Plate Kit, 13 x 18 mm (Millennium part #572928, vendor #103-180906001) configures Fremco cable blowers to run 13 mm cable through 18 mm duct, a common combination in feeder and distribution-level fiber optic cable installations. Its precision-fit plates create a dependable seal at the blower head, supporting longer, more consistent blows while minimizing cable stress. Built from durable materials for daily field use, this kit integrates with Fremco's broader cable placing tool and safety equipment lineup. Contractors managing mixed duct sizes across a fiber build will find this adaptor plate kit a reliable way to optimize placement without switching equipment.