Balanced ventilation systems, if thoroughly designed and installed, neither pressurize nor depressurize your home. Rather, they introduce and exhaust roughly equal quantities of fresh outdoors air and polluted within air. Be part of Lou, the campus Kererū, since they glide you thru everything you need to know about applying https://nzdepot.co.nz/product/mizu-slim-t-type-joint-st99/