Overview
The North N7500-3 chemical cartridge is a NIOSH-approved replacement cartridge for reusable air-purifying respirators. Packaged as a box of four units, these cartridges provide organic vapor protection for industrial and occupational safety applications. Manufactured by North Safety Products (now Honeywell), the N7500-3 is engineered with a low-profile design to minimize interference with work tasks while maintaining effective chemical hazard protection.
Key Features
- NIOSH Approved: Meets NIOSH 42 CFR 84 standards for organic vapor protection
- Low-Profile Design: Compact cartridge shape reduces intrusion into work zone and maintains field of vision
- Easy User Seal Check: Threaded connector design enables simple seal verification without adapters
- Long Service Life: Durable activated charcoal media extends cartridge life between replacements
- Box of Four: Four replacement cartridges per package for multi-worker or frequent-change environments
Technical Specifications
- Part Number: N7500-3
- Manufacturer: North Safety Products (Honeywell)
- Cartridge Type: Organic Vapor
- Certification: NIOSH 42 CFR 84 Approved
- Quantity Per Box: 4 cartridges
- Connector Type: Threaded
- Application: Half and full facepiece air-purifying respirators
- Filter Media: Activated charcoal
Typical Applications
- Industrial manufacturing and chemical handling
- Paint and coating application
- Solvent and volatile organic compound (VOC) exposure
- Maintenance and repair work in chemical environments
- Occupational health and safety compliance
Compatibility & Replacements
Compatible With
- North 5400 Series full facepiece respirators
- North 7600 Series full facepiece respirators
- North 5500 Series respirators
- North 7700 Series half mask respirators
- Honeywell North by Honeywell air-purifying respirators with threaded cartridge connectors
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. Ensure your respirator model uses the threaded N7500-series connector type.
Works With
- North/Honeywell reusable respirator systems equipped with standard threaded cartridge ports
- NIOSH-approved respirator platforms meeting 42 CFR 84 standards
- All North heritage product lines now under Honeywell ownership










