Flow Watchman ( 1 In Case)

Details:

Keep an eye on cooling water with the kontes® flow-watchman™ - a device for the visual indication of liquid flow. Molded of clear polycarbonate with an inert nylon indicator ball, flow indication is visible from a distance, usable with water down to a flow range of approximately 100 ml/minute, which is adequate for even the smallest cold finger condensers, the upper flow limit is in excess of 1 liter/minute, unit operates in any position, lightweight all-plastic construction, requires no auxiliary support