The M-15 has been the standard issue gas mask for Israeli troops for years. Now you can add one to your gear bag or military collection. These masks are well-known for fitting all types of face shapes and sizes, and they feature large lenses for a wide field of view. Specially formulated rubber mask; Fully adjustable for a snug, comfortable fit; Impact resistant cylindrical plastic lenses; NATO approved standard 40mm threaded filter canister housing; May or may not include drinking system with safety connections; Compatible with military canteen threads; Includes (1) NATO-standard filter; One size fits most; Collectible only, not for safety use