Products Guide
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N95 Mask

We stock N95 masks for medical institutions.

N95 is one of the filter standards (42CFR84) for respirator type masks
prescribed by the US National Institute for Occupational Safety and
Health (NIOSH) in 1995. It is recommended for serious communicable
diseases such as tuberculosis, SARS, and influenza. The gNh stands for
gNot resistant to oil,h and the evaluation requirements for N95 masks
stricter than for surgical masks and they also have high filtration efficiency.

Product Symbol Unit price and sales unit
HPR-R \5,000/box
(contains 50 masks)
HPR-S
New-strain Influenza
OPERA MASTER New-strain influenzas are easily transmitted from person to person because humans have almost no immunity to them, they could create a global pandemic, and could have a major impact on society accompanying a major health hazard.
The government has established an action plan to prepare for the occurrence of a new-strain influenza and is proceeding with preparations based on this plan.
It is recommended that as part of the national and local government response that medical facilities be stocked with personal protective gear (including N95) to suppress the spread of infection and minimize the damage if a new-strain influenza occurs. (Source: Ministry of Health, Labour and Welfare website)
*Following table: NIOSH anti-dust mask grades
USA Standard Japanese Standard Test Dust/Test
Flow Volume
NIOSH Filtration Rate Disposable Replaceable Filtration rate
N95 95“ or more DS2 RS2 95.0“ or more NaCl
85L/•ͺ
N99 99“ or more - - -
N100 99.97“ or more DS3 RS3 99.9“ or more
R95 95“ or more - - - Dioctyl phthalate
85L/min
R99 99“ or more - - -
R100 99.97“ or more - - -
P95 95“ or more DL2 RL2 95.0“ or more Dioctyl phthalate
85L/min
P99 99“ or more - - -
P100 99.97“ or more DL3 RL3 99.9“ or more