UW Technics Optical Bulkhead for Ikelite housing 1/2"UNF screw / nut mount

[Description]

#91301 Optical Bulkhead for IKELITE housings. 1/2"UNF screw / nut mount (rear side mount of the housing, replacement of Electric Bulkhead). Bulkhead incorporates built-in powerful LED and cable with Ci-11 plug. For UWTechnics TTL Converters.