Particulate Respirators
Alpha Ring Filter contains fibrous glass filter molded to multiply cylindrical shape in cartridge. As the filtering area is as large as maximum 12 times of its foot print, it provides lower inhalation resistance while keeping long service life.

Model 1180
National Assay Approval Number TM276

Compact, light-weight respirator with bonnet-style facepiece enclosure

Filtering Efficiency : Over 80.0% Avg. 95.33%)
Inhalation Resistance : 50±20Pa (Avg. 58Pa)
Exhalation Resistance : 45±23Pa (Avg. 46Pa)
Increased Value of Inhalation Resistance : – (Avg. 90Pa)
Weight : 76±15g (Avg. 77g)
Headband : Type RB

*Half Mask Silicone Particulate Respirator With Single Cartridge
*PN.1180