H-45 Series offers the highest quality of materials used from production to installation, together with the use of high performance EPDM rubber gaskets that eliminate air, dust and water penetrations. The system of- fers a wide selection of high quality hardware and accessories. We have designed a one-click safety latch accessory that keeps the doors and windows shut and closed even without applying the locking mechanism of the handle. The section profiles are also supporting the use of the tilt and turn window mechanism.