Lewmar Portlight part number 393320200 cut out size 6 3/4" x 17" , 3/8" thick Plexiglas with two interior latches, overall size is 7 1/2" x 17 3/4" ,  comes with Portlight  inner frame with hardware bag, and white ABS plastic interior trim as shown,  & Screen , the box has some shelf-ware and has been opened. as shown  May be viewed 38 Buckley Ave. Rising Sun MD. by appointment. Ups, USPS  & FedEx shipping shown   Local Pickup is Rising Sun MD. 21911