Shalon M80 PPE Filter Set. The Shalon M80 (Type-80) is an industrial-grade respirator filter designed for high-capacity filtration in hazardous environments. This professional 3-pack ensures operational readiness for civil defense, emergency response, and industrial safety applications. Standardization 40mm x 1/7 NATO RD40 Threading. Durability Impact-Resistant Steel Housing. Media Activated Carbon + HEPA Fiberglass. Standard 40mm NATO (RD40). Set of Four (4) Units. Unused Surplus / Factory Sealed Caps. Fits all 40mm NATO RD40 Threaded Systems. Tactical & Defense. Sapphire Protective Hoods. Israeli 4A1 & M15 Masks. MIRA Safety CM-6M/7M/8M. Avon C50 / FM12 / FM53. Industrial & Global. MSA Millennium / Ultra Elite. Scott Promask / M95. Dräger Panorama Nova. 3M Masks (via 40mm adapter). Note: Professional surplus equipment. Exterior may show minor cosmetic storage marks. ? INDUSTRIAL PPE SURPLUS – READY FOR DEPLOYMENT. Shalon M80 filter pack, PPE respirator canister, 40mm NATO RD40 filter, industrial gas mask filter 3-pack, CBRN PPE, Shalon Type-80, emergency response filtration, military surplus PPE, 40mm threaded canister.