The King of Random shares a cheap and easy guide to making a one-way check valve. Mary Trump issues warning on long-term ...

BRIDGETON, New Jersey (WPVI) -- A small device is having a big impact on the quality of life for some emphysema patients. We learn how these tiny one-way valves got a local woman back on her feet. ...

The one-way valve can create an air gap in the line, making it impossible for some pumps to prime. Tom King. Look out for one-way valves located in your bilge-pump overboard discharge hose. The ...