The use of the respirator decreases the chances of getting a virus that spreads through-out the air into your body. Respirators require a medical evaluation before use because they can make breathing more difficult. Some conditions that could prevent respirator use include heart conditions, lung disease, and psychological conditions such as claustrophobia.
About N95 respirator in brief
The N95 type is the most common particulate-filtering facepiece respirator. It is an example of a mechanical filter respirator, which provides protection against particulates but not against gases or vapors. The N95 respirator requires a fine mesh of synthetic polymer fibers, specifically a nonwoven polypropylene fabric. The use of the respirator decreases the chances of getting a virus that spreads through-out the air into your body. Respirators require a medical evaluation before use because they can make breathing more difficult. Some conditions that could prevent respirator use include heart conditions, lung disease, and psychological conditions such as claustrophobia. For persons who are medically disqualified from negative-pressure respirators, or who cannot pass a fit test due to facial hair or other reasons, a powered air-purifying respirator is a possible alternative. They are not effective, in oxygen-deficient atmosphere, in an unknown atmosphere; in these situations a full-contained breathing apparatus is recommended instead. In industrial settings where disease exposure is not a concern, users can wear and reuse a filtering respirator until it is damaged, soiled, or noticeably increased breathing resistance, unless there is a manufacturer-specified duration of use. Some industrial N95 series respirators have an exhaust valve to improve exhaust resistance. However in laboratories at biosafety level 2 and higher, higher, respirators are recommended to be discarded as hazardous waste after a single use. The NIOSH Respirator Selection Logic says respirators with filters in the N, R, and P series are recommended for concentrations of hazardous particulates that are greater than the relevant occupational exposure limit but less than the manufacturer’s maximum use concentration, subject to the respirators having a sufficient assigned protection factor.
: 12–14According to the NIOSH. Res respirator Selection. Logic, respirator with filters. in the. N,R, and. P series is recommended for. concentrations ofhazardous particulates. that are more than the. relevant occupational. exposure limit, but less. than the immediately dangerous to life or health level and the manufacturer’s maximum. use concentration. For substances hazardous to the eyes, a full facEPiece, helmet, or helmet is recommended during firefighting. A respirator equipped with a. full facepsiece, hood is recommended in firefighting situations, such as firefighting in anunknown atmosphere. The respirator should be fitted with a cartridge which is not effective against hazardous gases or vaporors, which is recommended. for a cartridge for firefighting during these situations. It should also have a headband instead of ear loops, and it must have headbands instead of Ear loops. It must be marked with the text \”NIOSH\” or theNIOSH logo, the filter class, a \”TC\” approval number of the form XXX-XXXX, and the approval number must be listed on the NIOS Certified Equipment List. Some products labelled as ‘KN95’ failed to meet these standards, some of them filtering out as little as one percent.