The ST100L air/gas in-line thermal mass flowmeter from Fluid Components International is suitable for chlorine gas service and available with a built-in Vortab Flow Conditioner that overcomes the lack of straight-run pipe. The flowmeter is designed for 1-, 1.5- or 2-inch lines and features a graphical, multivariable backlit LCD display. 800/854-1993; www.fluidcomponents.com.