MSA 10042346 OptiFilter XL Type HE Color Gray (20 in box) 

MSA X-Large Filter Type H Hepa Optifilter Cartridge fits onto the motor/blower when the PAPR is used. Lightweight filter has an unrestricted air-inlet opening that helps to avoid gross debris from clogging the filter. It offers resistance to dusts, particles as well as mists and protects against a wide variety of contaminants. It is designed for easy installation, thread directly to the cartridge receptacles on comfo and other twin-cartridges respirators.

Features and Specs:

• Filter cartridges protect against dusts, particles and mists
• For Use With MSA(R) Mask-Mounted OptimAir(R) PAPR
• Designed for easy installation, thread directly to the cartridge receptacles on Comfo and other twin-cartridges respirators
• NIOSH Approved
• Package includes 20 Filters.