Glass Porthole Window
Our glass porthole window opens, closes, flaunts an aluminium steel frame, is high quality, energy-efficient, perfect for hot and high humidity climates, and provides an increased level of airflow in and out of your dome too.
These windows make your dome look super fashionable, and also boast airtight and watertight seals to help tackle harsh exterior conditions head-on.
DIAMETER: 20" (50 cm)
GLASS THICKNESS: 1/4" (5 mm)
STEEL FRAME: 1/6" (4 mm)
WEIGHT: 17 lb (8 kg)