... .G.with muntin bar, low-E, artistic glass Material: aluminum Size: 1.2M*1.8M Glass: Tempered, double glazing 5+9argon+5 Hardware ... ), the outer frame,we have retrofit and nail-on types.- Glass system: tempered, doulbe glazing, I.G.with muntin bar, low ... -E, artistic glass,mill finished glass with special effect and so on- Hardware system: our ...