... Inward, Outward3) Door panel:glass or steel,single layer or double layer .4) Package: Foam paper inside, Carton box outside ... suitability for any variety of design applications. Our unique double deadlocking system incorporating a removable key snib provides you with the ... cleanning, seamless and ventilated even in rainy weather. Adopt Single/double glass, low-E glass, tempered glass, tinted glass & ...