Cast,machined and then highly polished. This porthole features toughened glass which is secured in place by a threaded brass ring. This enables replacement of glass. This product has been developed after many requests to supply a porthole for welding into hulls of barges and boats.
Glass size: 15.2cm(6")
Spigot Depth: 10.6 cm
Total Size: 23.7cm diameter
Weight - 8.1Kg
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