If you're looking to mount FNX lens ports and accessories on underwater housings featuring the FML port system, the FML to FNX Lens Port Converter 55G from Fantasea Line is just what you need. The adapter is made of hard anodized aluminum alloy and has a depth rating of 200'. Included in the package are a rear cover, a front cap, silicone grease, a spare O-ring seal, an O-ring remover, and a microfiber cloth.
The adapter's FNX and FML interfaces are also compatible with select third-party underwater gear featuring similar mounting systems. For more compatibility info, see this Port Chart.
UPC: 665309021318