villacomfort.blogg.se - november 2023

#3M AURA 9025 SERIAL#

"Millions of Counterfeit N95 Masks Were Bought in 5 States, U.S.

On July 14th 2021, 3M issued a counterfeit alert, noting that millions of counterfeit 3M Auras had been seized in this case, the 3M Aura 1870+. Counterfeitsĭue to widespread demand from the COVID-19 pandemic and the popularity of the respirator series, the 3M Auras have been frequently counterfeit.

3M chose study participants with a range of face shapes (NIOSH Bivariate panel).

In 2021, 3M conducted a study of fit test pass rates in their lab and found a 93% pass rate on the three common 3M Aura models. In a small study of 60 anaesthetists, the 3M Aura 1870+ had a 5/5 (100%) pass rate, compared to a pass rate of 3/7 (43%) for the 3M 8210 (typical N95 cup style) and a pass rate of 1/9 (11%) for other typical N95 respirators. In a study in untrained individuals, the 3M Aura 1862+ had a fit test pass rate of 82.5%, whereas the typical N95 cup-style respirators had pass rates of 73%, 67%, and 23% (and the KN95 had a pass rate of 0%). Note that studies show that with traditional N95 designs most people (76-86%) get to around 10% or less inward leakage (~ 99% effective filtration). This means that the average person putting on a 3M Aura may be more likely to achieve < 1% inward leakage (~ 99% effective filtration) when wearing the 3M Aura than with other N95 designs. The 3M Aura respirators appear to have a higher fit test pass rate than most traditional N95 designs (e.g. The 3M Aura design is reminiscent of the "boat-style" KF94 masks.

#3M AURA 9025 SERIAL#

It was replaced by the 1870+Īccording to a trademark filing, the first use in commerce of "Aura" by 3M was in January of 2012, so that may be when the Aura line was first released (USPTO trademark serial # 85240142). The 3M Aura 1870 was discontinued as of March 31, 2015.3M Aura 9210, discontinued "effective October 1, 2014.".3M Aura 1870+ (FDA cleared for surgical mask use)ĭiscontinued 3M Aura models (incomplete list):.3M Aura 1870 (FDA cleared for surgical mask use).In the United States, 3M appears to manufacture the following models of the Aura (as of 2021-8): Photo, US government work (public domain). Individuals wearing 3M Auras while meeting in the Oval Office during the COVID-19 pandemic. Outside of the United States, 3M Auras are sold as FFP2 or FFP3 respirators.ģM Aura may have higher fit test pass rates than typical disposable N95 respirators this means an individual wearing it may be more likely to have a correct fit in the absence of a formal fit test. The 3M Aura is a line of disposable N95 respirators with a unique boat-style design produced by the 3M Company. The 3M Auras are packaged flat before use picture is of a 3M Aura after being fit to a face.