Scienceware* Flow Monitor

This in-line device indicates liquid or gas flow from 95 ml/sec. down to 5 ml/sec. (or down to 3 ml/sec. in fluid with air bubbles removed). The clear polystyrene outer case reveals the bright red paddle wheel, which spins freely with flow. Not for use with corrosive fluids or at temperatures over 64°C (150°F). Dimensions: 3 1/2 x 3/4 x 2 1/8 in. (90 x 16 x 55 mm). Serrated tubulations accept 3/8 to 9/16 in. (10 to 14 mm) ID tubing.