Basement sliding window with fly screen - 8 cm wide aluminum frame and 5 mm thick tempered glass keep the window light yet sturdy - Window opens smoothly and includes a built in fly screen to keep insects out - Lets in natural light and promotes air flow for brighter, airier spaces Tempered glass for safety and comfort - Upgraded to 5 mm tempered glass for better impact resistance - Helps reduce noise and enhances safety in everyday use - Custom sizes available; send exact measurements to receive a matching replacement window Ventilation and air quality for basements and enclosed spaces - Aluminum sliding design with a fly screen provides excellent ventilation - Supports optimum air circulation under your house - Improves air quality in cellars and other enclosed areas Flush mount installation for a DIY friendly project - Package includes a tempered glass window and a screw set - Installation steps: insert the window into the wall opening, secure the upper portion of the frame with screws, then seal the gap with foam adhesive - Designed to be a straightforward home improvement project for most homeowners Use scenarios - Basement or cellar ventilation: improves airflow, reduces damp and stale air - Crawlspaces and underhouse areas: promotes continuous fresh air exchange - Enclosed utility rooms or storage spaces: brings in light while maintaining ventilation and insect protection