UW Technics Optical Bulkhead (M18) for Sea&Sea housings "screw nut" type mount (for MDX-5DM3 housing)

[Description]

#91300 Optical Bulkhead (M18) for SEA&SEA housings "screw nut" type mount (for MDX-5DM3 housing). Bulkhead incorporates built-in powerful LED and cable with MicroMatch-4 plug. For usage with UWTechnics TTL Converters.