NOT KNOWN FACTS ABOUT SOUND INSULATION WINDOWS

I'll alert you, In case you have much larger measurements they're going to are available a reasonably big packing crate/box to safeguard them so be organized. The only cause of 4 stars insted of 5 is they've just been istalled and we shall see how powerful They may be at cutting down cold air, Nonetheless they in good shape so snug which i foresee