Interior window trim
A home owner from Celebration says:
April 30, 2015
Original window from house built in 2000. Plastic is mounted horizontally on lower part of upper window right behind where the window locks are located.
Paul from SWISCO responded:
May 4, 2015
Thank you for posting. I believe you have a Florida Extruders window. If so, look at our 55-191 white glazing vinyl for a possible replacement.