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Clearly Secure Cortina/Ice pattern 8 in. x 8 in. x 3 in. individual glass blocks combine the qualities of beauty performance and practicality in a material that permits the flow of light. Used in partitions shower walls curtain walls and room dividers glass block permits light from one space to travel to another helping to save on illumination costs. Glass block’s properties lend style and privacy while also helping to muffle sound. Additionally individual 3 in. glass block may be combined with other Clearly Secure 3 in. glass blocks and Seves universal hopper and dryer vents to build enhanced privacy and security windows for basements bathrooms kitchens garages transoms door sidelights offices and much more.