Double Glazing Unit: thickness:3mm(4mm,5mm,6mm,8mm,10mm,12mm ... )+3mm(4mm,5mm,6mm,8mm,10mm,12mm etc) Low-e with doule Glazing Unit:Max.Size: 2450mm*3150mmMin.Size: 300mm*300mm ... ( UV resistance)After tempered, coated Low-e, and Low-e color: silver white; F green; Ford blue;