Click on the photo to see additional images of this vintage polished aluminum porthole window that measures  20 x 28 inch .

This is vintage polished aluminum porthole window weighs 28 pounds. The glass measures 15 3/4 x 23 1/2 inches. The outside edge of the frame measures 20 X 28 inches. The original glass has very minor wear that may include minor surface scratches, but no cracks or chips. The glass is clear, but could use a little more cleaning. This portholes has five working closure dogs that work freely. We have machined the back side of the frame smooth so it can be mounted flush to the wall or other mounting surfaces.