Home Fiber Adapter LC Fiber Adapter LC LC/UPC to LC/UPC simplex single mode fiber optic coupler adapter Rated 0 out of 5 3-5 days lead time PN: AA766A53 QUOTE-HELP LC/UPC to LC/UPC duplex single mode fiber optic coupler adapter Rated 0 out of 5 3-5 days lead time PN: AA820C18 QUOTE-HELP