Product information and features: Product: Neoprene Rubber Direct Thread Full Face Mask. Designed to provide eye, face and respiratory protection while providing the finest comfort. Provides a 200-degree field of vision. The polycarbonate lens features optimal optical properties to minimize distortion and astigmatism. Physical Properties: Dual Flange Neoprene Rubber Full Face piece Chin Cup designed to cover worker’s entire face. Cartridges have an inside thread connection. 5 Strap Head Harness. Oral/nasal cup reduces fogging. Hard coated polycarbonate lens which is scratch and impact resistant. Meets impact and penetration requirements of ANSI Z87.1-1989. Standards: EN136:1998 CL1 – Homologation AZ 2009/01 Uses: Can be used with the 7500 series filters or as a face piece with compressed airline apparatus, using the North CF2000 Plus.