The Avon Protection C50 Respiratory Mask is based on the U.S. M50/ JSGPM (Joint Services General Purpose Mask) and sharing key technologies, provides maximum operational flexibility to counter multiple threat scenarios, including chemical, biological, nuclear and radiological (CBRN) agents, Toxic Industrial Chemicals (TICs), and Toxic Industrial Materials (TIMs). The Avon C50 Mask offers high protection, outstanding field of vision and superior comfort. The innovative design features optimize the user's time in the operational area. The unique chlorobutyl/silicone blend face piece material ensures the mask is not only high in protection but also provides a better seal and is more comfortable to wear for extended periods. Compatibility with helmets, CBRN protective clothing and NFPA Class 3 Suits due to the low profile, close contour brow, flat buckles and extended chin flap. Quick donning due to the pre-adjusted buckles. The Avon Protection C50 Facemask comes in 3 sizesm, providing a secure and comfortable fit for all facial shapes and sizes.