
We put these up around all sliding glass doors and windows in our house and now when you open or close the front door it's almost as if the entire house was vacuum sealed as the change in air pressure causes the windows and such to move inwards/outwards, etc. ! We will be buying more of these for my mother's place soon! Definitely helps as bit with the power bill since the AC is now not bleeding cold air out of any poorly sealed windows and doors.

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