For production-ready use, we recommend downloading the source format.The converted file is intended for web viewing only. In the Original format, the following are fully preserved:✔ native scene structure✔ unsimplified materials✔ correct PBR texture maps✔ proper object namingIf you are going to integrate the model into a project, choose the original version.UPVC Sliding Window 2 Track and 2 Shutter of size 1.2X1.2 meter Opening size 1.2X1.2 meter . Place the Empty parent of window to centre of the inside bottom edge of the wall opening. Look for all other sizes uploaded by me. UPVC sliding windows are durable low maintenance energy efficient windows made of un plasticized polyvinyl chloride. They consist of a UPVC frame and sliding sashes offering smooth horizontal motion. These windows provide excellent insulation noise reduction security and come in various designs and sizes.