North 75FFP100 Pancake Particulate Filter
The North 75FFP100 filter is a super low profile particulate filter. It is incredibly lightweight and can easily be worn with welding helmets. It is rated at 99.97% efficiency for dusts, fumes and mists. Such filters are often used for lead, asbestos, or welding applications (as long as your contaminants are within the allowable range). It fits all North cartridge respirators like the 7700, 5400, and 7600 series respirators
They are sold by the pair and come 50 pair per case. Case purchases are not necessary.