The Role of Elastomeric Valves in Reliable Flow, Venting, or Light Control

https://dispensinginsights.lucialpiazzale.com/air-breathing-valve-materials-for-flexible-and-reliable-venting

A reliable product depends on parts that do their job every time. A elastomeric valves can support clean use when its shape and material match the task. It is not enough to choose a part by name only