- Made of 100% real glass, CrystaLok vinyl framed glass block windows are fully assembled for easy installation; just nail into place 
- Thick break-resistant glass enhances home security and provides an efficient sound barrier reducing noise from outside 
- Popular wavy glass pattern transmits light while maintaining moderate privacy 
- Made with nominal size 8-in x 8-in x 2-in glass block; 2-in thick glass block makes this window 20% lighter than conventional 3-in glass block windows 
- Vinyl frame includes nailing fin, integral J channel, welded seams and gated weep holes 
- Real glass block is scratch- and chemical-resistant; easier to clean than acrylic block 
- CrystaLok vinyl framed glass block windows are the ideal bathroom window; they also make great windows for garages, kitchens, entryway sidelights and transoms as well as light commercial applications such as offices, warehouses, etc 
- Assembled in the USA by 1 of America's oldest glass block companies 
- Actual window is 4 blocks wide by 1 block high