White glass vent for Standard American Imperial Size glass block. Measure 7.75"(length) x15.5"(width).
- Double panel, frosted and clear glass sash door with extruded bubble seal on perimeter ensures good thermal properties
- Superior UV resistance and color retention PVC extrusion
- Maintains structural integrity under harsh weather conditions
- Maintenance–free performance that will not dent, peel or rot
- Insect screen on the vent exterior keep the bugs out