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.

Look out for one-way valves located in your bilge-pump overboard discharge hose. The intended purpose is to prevent the water left in the bilge hose from flowing back into the boat after the pump ...

The science pros at TKOR explain how to make a cheap and simple one-way check valve.

(CNN) — The US Centers for Disease Control and Prevention has released new guidance on wearing face coverings during the coronavirus pandemic. The CDC still encourages people to wear masks so they don ...

“The purpose of masks is to keep respiratory droplets from reaching others to aid with source control. Masks with one-way valves or vents allow exhaled air to be expelled out through holes in the ...

A non-rebreather mask is a special medical device that helps provide you with oxygen in emergencies. These masks help people who can still breathe on their own but need a lot of extra oxygen.

"This type of mask does not prevent the person wearing the mask from transmitting COVID-19 to others," the CDC says. When you purchase through links on our site, we may earn an affiliate commission.

ST. PAUL (CN) - A Minnesota law banning the installation of one-way valves in plumbing venting systems is unconstitutional and based on unsubstantiated safety concerns, a plumbing distributor claims ...

Endobronchial valve management has emerged as a minimally invasive intervention for the treatment of persistent air leaks and fistulas, conditions that are often associated with considerable morbidity ...