(Part Number: F-13PMC-OS2LCLC) F-13PMC-OS2LCLC – Duplex LC/LC Single-Mode Panel Mount Coupler 13mm Female/Female – OS2 (Blue), UPC Polish Type – Panel Mount Couplers / 13mm Panel Mount Couplers – Single Mode – Fiber Optic Solutions – Panel Mount Style Solutions – Panel Mount Fiber Couplers – Structured Cable Products