MSA 10042346 OptiFilter HE HEPA Threaded PAPR Cartridge Filter Magenta Pack of 20

The MSA 10042346 OptiFilter is an X-Large, Type HE (High-Efficiency/HEPA) threaded filter cartridge designed for use with MSA OptimAir Powered Air-Purifying Respirators (PAPRs). Sold in a convenient pack of 20, these magenta-coded filters are a reliable replacement solution for industrial and occupational respiratory protection programs.

The filter mounts directly onto the PAPR motor/blower unit via a threaded connection, making installation straightforward without the need for special tools. The lightweight plastic construction features an unrestricted air-inlet opening that helps prevent gross debris from prematurely clogging the filter media, extending usable service life in demanding environments.

Key Features:

• Filter Type: Type HE (High-Efficiency/HEPA) — protects against dusts, particles, and mists
• Color Coding: Magenta — indicates high-efficiency particulate filtration per NIOSH color-coding standards
• Connection Style: Threaded — threads directly onto compatible PAPR motor/blower cartridge receptacles
• Lightweight Design: Reduces burden on the user during extended wear
• Unrestricted Air Inlet: Helps avoid gross debris clogging for longer filter life
• Broad Contaminant Protection: Effective against a wide variety of dusts, particles, and mist hazards
• Pack Quantity: 20 filters per pack — ideal for high-volume industrial safety programs
• Compatible System: Designed for MSA OptimAir PAPR systems

MSA's OptiFilter cartridges are color-coded to make it easy to identify the type of protection offered at a glance. The threaded design ensures a secure, leak-free connection to the respirator, supporting reliable respiratory protection in environments with hazardous airborne particulates.