Fenestrelle Expandable Window Screen, 2 Way Adjustable Window Screen, Horizontal (15" H x 12"-40" W) or Convert to Vertical (21" H x 15"- 28" W), Pack of 2 AWarehousefull 3539 ratings View Product Buy ...
Standing outside a house, it looks like a regular expandable window screen used by thousands of apartment dwellers and college students who don't have fully screened windows.