Adult size PM2.5 replacement filters for face masks with filter pocket. 
High-quality materials: Five layers of support that contains non-woven fabric, activated carbon and melt-blown filter. Five layer filter system effectively keeps away from PM 2.5 and a range of airborne contaminants Good for 48 to 72 hours of wear.

PM2.5 Filter - 10 Pack

C$13.00Price