Flow Indicator

In-line type, for estimating relative flow rates of fluids or gases. The user observes the circular travel of a colored ball in a circular race. Especially useful as a visual assurance of water flow; e.g., flow to a water bath, water still, deionizer, etc. Made of clear polystyrene. The ball is polyethylene. Both inlet and outlet are serrated to accept 1/4" to 3/8" bore tubing. Usable at temperature ranges from 0 ºC to 80 ºC and at flow rates from approximately 50 to 1500 mL/minute.