... NOTO(made in Germany)5.sorts:sliding window,casement window,hung window\title and turn window.etccolor:white, red, green, grey, ... gold and so onfeatures1.beautifu, pratical and easy to install2.security3.windtightness, watertightness, airtightness, thermal break ... /m·h), q2≤1.5(m3/m2·h)THERMAL BREAKK<1.5NOISE INSULATERw≥45LIGHTING PERFORMANCETr≥0.60 aluminum ...