gray windows
J.S.I. known as Johnson sails on Gandy blvd. St. petersberg fla. will sell you the glass portion of the port hole, but You must ask for the "UNDRILLED" ones each window is diferent!!!! you have to take your inside frame off and drillthe holes according to your frame's hole location, Gray is located in Tampa, they are owned by Bomar which is in New Hampshire, NOTE: if you use the predrilled one they'll crack when you apply presure ont the knobs. JSI phone is 1 800-234-3220