The European respirator standards refer to the filtering classification by EN 149, EN 14683, and EN 143, all European standards of testing and marking...

federal standard which the N95 is part of, was created to address shortcomings in the prior United States Bureau of Mines respirator testing standards, as...

early respirator standard, Type A, established in 1926, was intended to protect against mechanically generated dusts produced in mines. These standards were...

early respirator standard, Type A, established in 1926, was intended to protect against mechanically generated dusts produced in mines. These standards were...

Elastomeric respirators, also called reusable air-purifying respirators, seal to the face with elastomeric material, which may be a natural or synthetic...

A powered air-purifying respirator (PAPR) is a type of respirator used to safeguard workers against contaminated air. PAPRs consist of a headgear-and-fan...

Ventilators are sometimes called "respirators", a term commonly used for them in the 1950s (particularly the "Bird respirator"). However, contemporary medical...

Tokyo: Japan Standards Association. p. 22. CAN/CSA-Z94.4-11. Selection, use, and care of respirators. Ottawa, Ontario: Canadian Standards Association International...

masks, referred to in academic literature as ND, or "nuisance dust" respirators, are masks with one strap, and are designed to filter dusts in situations...

The General Service Respirator (GSR) is a military gas mask designed to replace the previous S10 respirator for the British Armed Forces. It was designed...

Mechanical filters, a part of particulate respirators, are a class of filter for air-purifying respirators that mechanically stops particulates from reaching...

harmful substances is IDLH, the worker must use the most reliable respirators. Such respirators should not use cartridges or canister with the sorbent, as their...

A self-contained breathing apparatus (SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately...

and other vulnerable soft tissues of the face. Most gas masks are also respirators, though the word gas mask is often used to refer to military equipment...

Gas masks and particulate respirators (like N95 masks) are examples of this type of respirator. A second type of respirator protects users by providing...

Escape breathing apparatus, also called escape respirators, escape sets, self-rescuer masks, emergency life saving apparatus (ELSA), emergency escape...

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...

A respirator cartridge or gas mask canister is a type of filter that removes gases, volatile organic compounds (VOCs), and other vapors from the air through...

A respirator's function is to protect against carbon monoxide, as the most likely dangerous gas after a mining fire or explosion. The respirator does...

Filtering facepiece, a filtering half mask FFP standards (filtering facepiece), EU standards for protective respirator masks Free-floating planet, a rogue planet...

When wildfires result in a high AQI, the use of a mask (such as an N95 respirator) outdoors and an air purifier (incorporating both HEPA and activated carbon...

Retrieved 2020-08-15. "Respirators". Centers for Disease Control and Prevention. August 2, 2021. Retrieved March 29, 2024. ASTM E2952 Standard Specification for...

known as the miasma theory), so the bird-like beak masks functioned as respirators that contained aromatic items such as herbs and dried flowers. The modern...

to the 1970s, respirator standards were under the purview of the US Bureau of Mines (USBM). An example of an early respirator standard, Type A, established...

British physicist John Tyndall wrote about his new invention, a fireman's respirator, featuring a valve chamber and filter tube. This device used cotton saturated...

Surgical masks are distinct from filtering respirators, such as those made to the American N95 standard, which are more airtight and purposefully designed...

is an efficiency standard of air filters. Filters meeting the HEPA standard must satisfy certain levels of efficiency. Common standards require that a HEPA...

Indoor air quality Mechanical filter (respirator)#Filtration standards Nose filter Oil filter Pocket filter Respirator Scrubber Smog tower Swan neck duct...

the steel leadscrew against a plastic sliding nut. Firefighting respirator standard EN 148-1 "Respiratory protective devices - Threads for facepieces"...

equipment worn by medical professionals N95 respirator – Particulate respirator meeting the N95 standard NBC suit – Type of military personal protective...