Double Glazing Unit: thickness:3mm(4mm,5mm,6mm,8mm,10mm,12mm etc)+ ... )+3mm(4mm,5mm,6mm,8mm,10mm,12mm etc) Low-e with doule Glazing Unit:Max.Size: 2450mm*3150mmMin.Size: 300mm*300mm ProductInsulated ... glassOther nameDouble glazing glass; vacuum insulated glass; insulated low-e glass; insulated tempered ...