STI FLEXSAFE-B safety light curtain pair: transmitter FS4308B-2X-1 and receiver FS4308BX-1, part number 42673-0080, in an 8" height configuration. This refurbished FS4300-series set from STI comprises a transmitter and matching receiver designed to guard machine openings with an 8" protective field. The listing identifies the components as FS4308B-2X-1 (transmitter) and FS4308BX-1 (receiver) under the 42673-0080 catalog number, providing a compact safety solution for industrial guarding applications where a short, fixed-height sensing zone is required.
