Genuine South Korean K3 CBRN 40mm Gas Mask Respirator & 2 CBRN Filters. K3 Gas Masks Specs. The K3 gas mask respirator is designed to protect the face, eyes, respiratory organs from Chemical, Biological, Radiological and Nuclear (CBRN) agents, Tear gases and Toxic Industrial Chemicals (TIC). Size: Med – One size only. Condition: New sealed in foil in and in original manufacturers box. Mask Manufactured Date: 3/2023. CBRN Filter MFG 3/2023. What’s Included: K3 Gas Mask, 2 CBRN Filters and Operation Manual. Highly resistant to CBRN/NBC agents. Thread: 40mm in accordance with NATO STANAG 4155 and EN148-1. Certification: NATO Triptych D103, assessed by TNO, Holland. Please see attached performance specs. Anti fogging airflow management. Field of vision: 75%. Interchangeable filter location can be switch to right or left side depending on users preference. Two (2) CBRN filters are included. Integrated high flow hydration system connection port is compatible with US Type A adapters. (Same as used on FM12, C50, M50, FM12, FM53 Gas Masks). When flow valve is turned on the internal hydration tube repositions itself for drinking. When turned off the internal tube stows away from user’s mouth. Compatible with canteens and back worn hydration systems. Ballistic impact and scratch resistant polycarbonate lens. Operational with gun sights and optics. NOT Included : Voice amplifier/mic, vision correction accessories, drop leg carry bag. Front integrated voice amplifier connection port. Head harness is mesh with 6-point adjustable straps. Compatible with military helmets and communication systems. Operational in the following countries: Indonesia, Kazakhstan, Bangladesh, Philippines, Singapore, Thailand, Vietnam, Bahrain, Malaysia, Columbia, Saudi Arabia, UAE, Australia, China, Taiwan, Pakistan, South Africa, Senegal and Ecuador.