18'' Cast Iron Air Vent
A huge 18'' square hit & miss cast iron air vent. New old stock, pretty sure it's never been used. It has a square socket in the centre if you want to attach a handle. It's heavy, probably getting for 20kg, 4 large countersunk holes in the corners for fitting.
Size: 457mm x 457mm (18in x 18in)
Vent diameter: 430mm (17in)
Centre socket: 6mm sq
Stock code: 1545/H