Home > Knowledge > Content
Do you know the key element of respirators?
Sep 27, 2017

Do you know the key element of respirators?


1. Purpose: Respirators protect from exposure to airborne particles. In healthcare, protects 

from exposure to biological aerosols including viruses and bacteria.

2. Fit: Respirators are designed to seal tight to the face of the wearer.Wearers should be 

fit tested to make sure they are using the appropriate model and size of respirator to get 

the best fit.

3. Filtration: Respirator filters that collect at least 95% of the challenge aerosol are 

given a 95 rating. Those filters that collect at least 99% receive a “99” rating. And 

those that collect at least 99.97% (essentially 100%) receive a “100” rating. 

4. Use limitations: Generally, single use. Should be discarded when it:

(1). becomes damaged or deformed,

(2). no longer forms an effective seal to the face,

(3). becomes wet or visibly dirty,

(4). breathing through it becomes more difficult, or

(5). becomes contaminated with blood, respiratory or nasal secretions, or other bodily 



We're Here to Help

  • Tel: 86-29-8835-0620, 8835-0630

    Fax: 86-29-8835-0633

    E-mail: info@handove.com

    Address: Room 505, Tower C, Van Metropolis, No. 35 Tangyan Road, Xi'an, 710065 China


Enter in your email address to receive deals
and coupons.
Bookmark us today!