The ST-100X Survival Respirator is a heavy-duty, reusable mask designed for chemical uses. Made with organic materials, it features a PD1 filter class and a durable construction suitable for demanding industrial environments. The respirator comes in a pack of 1 with a clear color and a headband closure type for easy wear. Compatible with industry standard 40mm gas filters, this respirator offers reliable protection for users requiring a high level of safety in their work environment.