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