Internorm KF410 Window | Passivhaus Suitable | Triple Glazed | Ultra Efficient

The Internorm KF410, Triple Glazed Tilt & Turn Window has long been one of the most popular windows for Passive House applications. Extremely Energy Efficient, Available in a wide range of finishes and with some of the best security credentials around this window system is also budget friendly manufactured in both UPVC and UPVC Aluminium clad.