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Escape breathing apparatus may be air-purifying escape respirators or self-contained atmosphere-supplying escape respirators. They may use a breathing hood, facepiece or mouthpiece and nose-clip as the user respiratory interface. Atmosphere-supplying apparatus may be rebreathers with a chemical or compressed gas oxygen supply, positive pressure ...
In an atmosphere that may be oxygen-deficient, an air supply is carried on the back. A self-contained breathing apparatus ( SCBA) is a device worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health. They are typically used in firefighting and industry.
A supplied-air respirator (SAR) or air-line respirator is a breathing apparatus used in places where the ambient air may not be safe to breathe. It uses an air hose to supply air from outside the danger zone. It is similar to a self-contained breathing apparatus (SCBA), except that SCBA users carry their air with them in high pressure cylinders ...
See: venturi mask air-filtering respirator An air-filtering respirator is a breathing apparatus which removes particulates from the ambient air by passing it through a filter. air-purifying respirator An air-purifying respirator is a respirator which uses a filter, cartridge, or canister to remove specific air contaminants by passing ambient air through the air-purifying component ...
The Kimberly-Clark Professional N95 Pouch Respirator is NIOSH-approved and comes with 50 per package. They are white, have a pouch design and two blue headbands to secure the mask. These masks are ...
The user respiratory interface, also commonly referred to as the facepiece, is the delivery system by which the breathing apparatus controls breathing gas flow to and from the user. The choice of interface type and the fit can significantly influence convenience, effectiveness, comfort, and sometimes safety.
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