We are counted amidst the famous Sound Reducing Windows Manufacturers, Exporters, and Suppliers, based in India. These Sound Reducing Windows are especially made from the finest materials by using the latest technology for ensuring their higher grades. Tested at different levels of production, our Sound Reducing Windows are 100% efficient for achieving high sound transmission loss. Details Multi layeredHermetically sealed Sound transmission loss: 25db at 1000HZ frequencyOptions: Available with open-able windows having sturdy cam latches, gaskets, hinges, etc.