3M Particulate Filter 2091K 

Brand: 3M
Model: 2091K (The same performance as 3M 2091; 'K' Made in Korea version )
Product series: 3M 6000, 7500 series
NIOSH Filter Approval Rating: P100
Quantity: Pack of 2 pcs

Exceptional 99.97% filter efficiency meets NIOSH P100-series test criteria
Advanced Electret Media (AEM) provides lightweight, easy breathing comfort
Versatile protection against many oil and non-oil based particulate contaminants
Bayonet compatibility allows use with many 3M™ half and full facepiece designs

Application:
Construction, Design & Construction, Facility Sanitation, Food Processing, Food Safety, General Manufacturing, Heavy Infrastructure, Industrial Maintenance, Marine, Metal Production & Fabrication, Mining, Oil & Gas, Transportation