- Rear cover for the Optex Smart Line range of infrared barriers in pole mounting
- For barriers OPTEX-54 (SL-200QN), OPTEX-55 (SL-350QN), OPTEX-56 (SL-650QN), OPTEX-57 (SL-200QDP), OPTEX-58 (SL-350QDP), OPTEX-59 (SL-650QDP), OPTEX-60 (SL-200QDM), OPTEX-61 (SL-350QDM), OPTEX-62 (SL-650QDM), OPTEX-65 (SL-350QNR), OPTEX-66 (SL-350QFR) .

OPTEX-139BC-4Rear cover for the Optex Smart Line range of infrared barriers on pole mounts