^ ^ "In the two hose style and design the exchanged air doesn't come from the interior on the space or home, but enters through the second hose". Experts123.com. Retrieved 10 June 2015. To Alliance's credit score yet again, After i did have worries about a region in the plaster https://drive.google.com/drive/folders/1DwQcVWGr5RtTFleX78g087Tcbb3eCLQO