Crafted by Fremco, this air and watertight plug is designed for 12 mm microduct applications, ensuring secure sealing against environmental factors. Its robust construction is essential for maintaining performance in splicing and testing operations, making it a vital component for professionals involved in the installation and maintenance of fiber optic networks. Whether for splicing, testing, or placing cables, this plug enhances reliability and protection, supporting the efficiency of OTDR processes in diverse settings.