adjustable window screens this adjustable window screen is easy to install in seconds without the need of tools or fasteners. adjustable screen window are made of aluminum profiles, charcoal fiberglass screen wire, and black retainer spline. the unit comes completely assembled, so all you need do is place in the window opening and adjust the width. various sizes are available. for adjustable screen window , we have three styles as followings: 1. aluminum profiles 45 degree angle without weather strip. 2. aluminum profiles 45 degree angle with weather strip. 3. aluminum profiles 90 degree angle with weather strip. the material of aluminum profiles : the aluminum alloy profiles is spray-painted with colored powder or fluorocarbon coatings and the coatings have stronger adhesiveness better resistance to aging and pure and fast colour. the features of adjustable screen window: 1.lightweight, durable frames 2.will not rust 3.easy to stall 4.ideal for older homes, cottages and apartments. 5.full colour self-selling packaging.