Effective air leak protection Specifically designed to prevent leaks by bridging gaps precisely. The adjustable elements provide consistent sealing for optimal temperature regulation and lower annual energy costs. Fast installation Tool-free setup with pre-mounted side panels enables window adjustments in minutes, delivering a simple and straightforward installation experience. Dust barrier Effectively blocks pollen and fine dust, reduces wind noise, and improves indoor air quality thanks to high-quality insulating material. Smart climate control Reduces the load on your air conditioning by providing thermal protection in winter and heat protection in summer, delivering comfort and energy savings with ease. Use scenarios - New construction or retrofit: Install on existing windows to improve insulation, prevent drafts, and reduce energy bills. - Allergy or urban environments: Use to block pollen and dust ingress while maintaining a quieter, cleaner indoor air quality. - Year round climate management: Employ for seasonal protection to minimize HVAC use and maintain comfortable indoor temperatures.