Zero Gravity SR Series Windscreen - Dark Smoke Zero Gravity SR Series windscreen is built to replicate your O.E.M. windscreen, but offers features that surpass any O.E.M. part. The Zero Gravity &#34;Blown Molding&#34; process is the same that is used in aircraft canopies which give the best optical clarity of any windscreen on the market. Top quality acrylic plastic is used on the SR Series windscreen to further purify the optical clarity and provide long-lasting strength.