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The FML Port Extension 25 extends the length of a lens port by 25mm.
It can be installed on housings and lens ports featuring the Fantasea FML port system. 
For additional extension of a lens port, Port Extensions can be stacked one upon the other. 

  • Construction: Hard anodized Aluminum alloy 
  • Depth rated to 60 meters / 200 feet 
  • Effective length: 25mm 
  • Dimensions (diameter x height): 
    95 x 36 mm / 3.74 x 1.42 inch 
  • Weight: 128 g / 4.5 oz
    • Included in package: Rear cover, Front cap, Silicone grease, Spare O-ring seal, O-ring remover and Microfiber cloth 
  • Manufacturer’s warranty


Fantasea #2121 FML Port Extention 25

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