Allen externally sealed inspection hatch.
The hatch body is fixed to the boat hull and the A.638 O-ring (not included) is placed around the body, under the small lip. The hatch cover is then screwed on tightly and forms a seal with the O-ring around the outside diameter of the hatch.
Fixing: 3mm, Cutout: 241mm, Opening: 223mm
Allen externally sealed inspection hatch.
The hatch body is fixed to the boat hull and the A.638 O-ring (not included) is placed around the body, under the small lip. The hatch cover is then screwed on tightly and forms a seal with the O-ring around the outside diameter of the hatch.
Fixing: 3mm, Cutout: 241mm, Opening: 223mm