Designed to handle a wide variety of common corrosive chemicals, the new lined L.J. Star visual flow indicators are offered in Teflon® PFA, Tefzel® and Kynar® models. These new flanged units provide clear viewing and dependable service even at high pressures and at temperatures up to 500˚F. Also, for particularly demanding applications, glass shields of FEP®, KEL F® or mica are available as an option.