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We strive to achieve constant excellence in all the production cycles and systems to ensure quality. Tostem is here to ensure development and construction get the best results with proven product quality and performance.
5 Years
15 - 20 Years
1 High quality security lock
2 Watertight sill with drainage devices prevents rain water
3 Easy-grip handle
4 Internal sliding insect screen
5 Easily adjustable outer-panel lock
6 Combination with fixed window without additional transom
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