Inspired by products that are common in Europe, the Evolution Series 9000 tilt-and-turn aluminum window line offers the dual-action functionality of a hopper and a casement. The tilt-in operation provides a 4-inch opening at the top for indirect ventilation and the swing-in casement function allows full opening and easy access. Crystal Window & Door Systems, 718.961.7300; www.crystalwindows.com.

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