Gerson 1740 N95 Particulate Respirator with Exhalation Valve – Molded Cup, Made in USA (Box of 10) ISO 10819 Safety first: the 7521 is

Safety first: the 7521 is a cut and impact glove

Escalate to a cartridge or supplied air when gas levels are regulated

holding their setting so they do not slide or need re-adjustment

so programs running multiple half-mask models can standardize on a single cartridge inventory

3M's field trials found the 2200 Series lasting up to twice as long as standard filters — so a higher unit price can still work out cheaper per hour of use

Gerson 1740 N95 Particulate Respirator with Exhalation Valve – Molded Cup, Made in USA (Box of 10) ISO 10819 Safety first: the 7521 isEDITORIAL REVIEW Gerson 1740 N95 Judged on the published NIOSH designation, the protection factor OSHA actually assigns it, and how the format fits a working shift. Assessed by Steven Eaton, WC Safety editor. An air purifying respirator filters air; it does not supply any. Under 29 CFR 1910. 134 no filtering facepiece may be used in an atmosphere that is IDLH or oxygen deficient (below 19. 5% oxygen). Those conditions require a supplied air respirator