Part #bwindow
Part #bwindow is often known as Window 4 Pane for Slotted Bricks. We know this part is available in Bricklink and Rebrickable. You can buy it on Amazon or Bricklink.
How to find this part
Name
Window 4 Pane for Slotted Bricks
Category
Classic
Weight
1 gram
Size
1 x 2 x 2
Available variations
Name
Window 4 Pane for Slotted Bricks
Category
Windows and Doors