Purchased 2 models for our entrance bedrooms as we've been on a loud key street. Set up them yesterday and the difference in noise is awesome. I went with the six.4mm laminated glass and positioned the units on the entrance of the window sill to present optimum gap. We are https://easy-makeup-looks-for-beg66543.collectblogs.com/72506984/examine-this-report-on-noise-reduction-windows-in-chelsea