aluminum casement window Anti-thief thermal break aluminum tilt turn window

Sunfree’s Anti-thief thermal break aluminum tilt turn window. It is luxurious pearlescent coating finish. Optional energy efficient integrated glazing unit. Warm edges-spaces. Argon gas fill. Low-E coatings. Germany origin brand Siegenia hardware system. Provide high security&longevity. It is swing like a door. Each lock point  capable of sustaining 400lbs. Tilt the top for ventilation. Friction stay works lastly over 200,000times. Openable stainless steel screen, anti-thief&anti mosquito.