A 20cm or 8 inch (approximate aperture size), non-opening porthole made in a classic style using traditional methods to shipping industry standards.
This type of porthole has a lighter frame making it more suitable for areas and applications where weight is a concern.
The Porthole has CE approved, toughened glass which is secured in place by a threaded ring making replacement of the glass or conversion to a mirror or frosted effect very simple.
No backing ring available for this porthole.
Glass size: 20cm (8")
Hole Size: 232mm(9 1/8")
Overall Size: 30.5cm(12")
Spigot Depth: 9mm
Weight - 3.7Kg
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