Protective storm windows

摘要: The protective storm window is a convex panel having flat flange around the perimeter of panel. sized so that may fit in to an existing frame window, door, vent or other opening building. be constructed out fiberglass, plastic, metal suitable material depending on intended use. Fixed and retractable pins are positioned along outer edge secure frame. One more handles attached either inside outside help user install window. spring-loaded individually operated engage unison through use sliding cam assembly. stackable for easy storage.