It appears you're referring to Netlon for windows, which could be related to mosquito netting or screens for windows. Netlon is a brand that produces various types of mesh screens used for insect control, particularly for windows and doors.
These screens are made from durable materials and are designed to keep insects, such as mosquitoes and flies, out of living spaces while allowing air to flow freely. They're commonly used in areas where insect-borne diseases are a concern or simply for comfort and convenience.
Installing Netlon screens on windows can help create a barrier against insects without obstructing views or airflow. It's a popular choice for homes, offices, and other buildings in regions where mosquitoes or other flying pests are prevalent.
If you're considering installing Netlon screens for your windows, you can typically find them through local suppliers or contractors who specialize in home improvement or pest control products. They come in various sizes and styles to fit different window types and dimensions. Installation is usually straightforward and can be done by professionals or as a DIY project depending on your skill level and preference.