Single SKU: 1821-59
10-Pack SKU: 1823-59
These project hydraulic valves pinch vinyl tubing closed in three distinct setting. Control the start and stop of fluid flow by shifting the position of the plastic device. Great for STEM | STEAM | Maker Space activities or science fair projects, the plastic is easy for little hands to grip and control. Designed for smaller tubing found in micro hydroponic projects or water filter designs. So reusable, kids can tinker forever.