A visual porthole connecting to the outside world and beyond. Additionally the glass used in these portholes possesses strong burglar-proofing qualities. Contemporary Front Door With Porthole Window Old English Doors Contemporary Front Doors Front Door Modern Door This 42 X 96 Contemporary Door was built of Knotty Alder. Porthole window for door . 14 wide x 10 high oval porthole mirror. The Infinity Porthole satisfies both performance and the aesthetic. Round brass portholes deadlights. OD Outside Diameter GD Glass Diameter. Installed in an exhibition wall or door portholes create a maritime room atmosphere like aboard a ship. This item is perfect as a centerpiece to any nautical-themed home and since it opens at the hinged it can also be used as a door. Our range of round windows is quite diverse from fixed portholes to tilting portholes as well as floor round windows and circular windows to install on doors. The porthole window features a fully functioning porth...