L.J. Star is a leading supplier of process observation equipment including: a variety of sanitary sight glasses; sight windows; sanitary visual flow indicators, sanitary fittings and clamps; light ports, luminaries and LED tank lights; camera systems and accessories including wipers and timers. We stand behind our products and provide third-party documentation of product performance claims and standards compliance. Among our various product lines, Metaglas is the #1 selling fused sight glass, proven in thousands of installations around the world. Unlike some other sight glasses, it meets DIN 7079 and DIN 7080 quality standards, and has been tested and proven to meet The USP Type 1 standard. Applications expertise is important in terms of being able to spec the right process observation equipment. Because we understand our customers’ applications and requirements, we can anticipate challenges, customize solutions, provide proper documentation and think of things our customers don’t.