square glass brick / structure / insulating
ENERGY EFFICIENT DELPHI®
Blocks out the suns heat and ultraviolet light to help keep interiors cooler in the summer. In winter, improved insulating ability helps keep interiors warmer. Its raised diamond design lends prismatic effects to the light it transmits. Offers moderate light and maximum privacy.
7 ¾" x 7 ¾" x 3 ½"