Profile: Steri-shield provides infection control products. Our product names are Barriers, Wingers, Phosphor-Ray, and Smoothies. Our T-Bar Barrier™ is an easy to use elastic barrier. It fits virtually all T-Bar dental lamp handles. It is made of natural rubber latex and is available in blue. Our Phosphor-Ray™ is associated with phosphor plate radiography. This soft, foam, bisecting angle tool will capture all anterior and posterior images with ease & without scratching the delicate phosphor plates.