NATO 40mm Gas Mask Filter

This like new NATO gas mask filter is designed to fit most standard 40mm threaded gas masks, making it a versatile and reliable addition to any protective gear setup. Originally manufactured for military and civil defense use, it's built to provide protection against airborne particles and certain chemical agents.

While functional, surplus filters are often sold for display or training purposes, and performance may vary depending on age and storage.

Key features include:
• Genuine NATO surplus, like new condition
• Standard 40mm NATO threading – fits most compatible masks
• Sealed and unused (packaging and markings may vary)
• Designed for chemical, biological, and particulate protection
• Great for collectors, training, cosplay, or emergency kits

Note: Surplus filters are sold as-is and are not guaranteed for current protective use. For active protection, always use certified, in-date equipment.