Powered air-purifying respirators use the same filters as gas ... you need to escape from a dangerous area. They are usually hoods of some type and are designed to be used for 15 to 60 minutes.

Mr Al-Qaysi is one of a number of designers and entrepreneurs around the world who have rushed to release hazmat, or PAPR (powered air purifying respirator), helmets this year, aimed at people ...

Now there's a revolutionary one-mask system that can adapt to a wide range of respiratory applications. Available in single-port and twin-port models, this remarkable facepiece works with ...

An exception to the fit test requirement is use of a powered air-purifying respirator (PAPR) with loose fitting hood; however, use of these respirators still requires a medical evaluation and training ...

If an employee exhibits/experiences difficulty in breathing (that is unrelated to respirator function) during testing or use, he/she shall be referred to a physician to determine fitness to use such ...

are diving helmet-style powered air purifying respirators (PAPRs). "There you have a more comprehensive solution. There's a hood face shield and a tube that would connect into a unit on the belt ...

Once the appropriate level of protection is determined, select a suitable respirator from two basic categories: air-purifying respirators and atmosphere-supplying respirators. Air-purifying ...

"I’m going to throw on my PAPR, my power air-purifying respirator, and we’ll walk in the room," said Jill Morgan, nurse and site manager for Emory’s Serious Communicable Diseases Unit (SCDU).

In this article, I'm thrilled to share 11 plants that are known for their air-purifying abilities. Each of these plants has ...

Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton ...

However, several reliable '90s classics escape the norm, offering decades of reliability along with surprisingly capable ...