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DOUBLE HUNG · Walls of 2mm thickness. · 7/8" insulating and double strength glass. · PPG non-conductive intercept spacer for better insulation. · Fusion welded 45º corners on windows - sash and frame · Easy cleaning from inside. · Constant force balance system. Uses/Locations: · where interior cleaning is a factor · where easy access to window is available · where ventilation is important · in combinations · suitable for openings greater in height than width |
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